Home / 320,342.16-442,081.41-177,111.45

Finding the Fourth Proportional to 320,342.16, 442,081.41 and 177,111.45

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Solution

The fourth proportional to 320,342.16, 442,081.41 and 177,111.45 is: 244,418.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,342.16 : 442,081.41 = 177,111.45 : x
  2. Step 2: Convert to fraction form
    320,342.16/442,081.41 = 177,111.45/x
  3. Step 3: Cross multiply
    320,342.16x = 442,081.41 × 177,111.45
  4. Step 4: Simplify right side
    320,342.16x = 78,297,679,543.14
  5. Step 5: Solve for x
    x = 78,297,679,543.14/320,342.16
  6. Step 6: Final answer
    x = 244,418.90

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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.