Home / 161,306.76-222,602.17-89,686.16

Finding the Fourth Proportional to 161,306.76, 222,602.17 and 89,686.16

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Solution

The fourth proportional to 161,306.76, 222,602.17 and 89,686.16 is: 123,766.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,306.76 : 222,602.17 = 89,686.16 : x
  2. Step 2: Convert to fraction form
    161,306.76/222,602.17 = 89,686.16/x
  3. Step 3: Cross multiply
    161,306.76x = 222,602.17 × 89,686.16
  4. Step 4: Simplify right side
    161,306.76x = 19,964,333,834.97
  5. Step 5: Solve for x
    x = 19,964,333,834.97/161,306.76
  6. Step 6: Final answer
    x = 123,766.26

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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.