Home / 360,260.05-497,184.61-199,111.63

Finding the Fourth Proportional to 360,260.05, 497,184.61 and 199,111.63

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Solution

The fourth proportional to 360,260.05, 497,184.61 and 199,111.63 is: 274,788.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,260.05 : 497,184.61 = 199,111.63 : x
  2. Step 2: Convert to fraction form
    360,260.05/497,184.61 = 199,111.63/x
  3. Step 3: Cross multiply
    360,260.05x = 497,184.61 × 199,111.63
  4. Step 4: Simplify right side
    360,260.05x = 98,995,238,108.01
  5. Step 5: Solve for x
    x = 98,995,238,108.01/360,260.05
  6. Step 6: Final answer
    x = 274,788.28

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Half scale
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Double scale
Find fourth proportional to 360,261.05, 497,185.99 and 199,112.63
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.