Home / 153,484.07-211,822.29-89,821.85

Finding the Fourth Proportional to 153,484.07, 211,822.29 and 89,821.85

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Solution

The fourth proportional to 153,484.07, 211,822.29 and 89,821.85 is: 123,962.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,484.07 : 211,822.29 = 89,821.85 : x
  2. Step 2: Convert to fraction form
    153,484.07/211,822.29 = 89,821.85/x
  3. Step 3: Cross multiply
    153,484.07x = 211,822.29 × 89,821.85
  4. Step 4: Simplify right side
    153,484.07x = 19,026,268,899.93
  5. Step 5: Solve for x
    x = 19,026,268,899.93/153,484.07
  6. Step 6: Final answer
    x = 123,962.50

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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.