Home / 453,631.46-680,545.59-138,080.16

Finding the Fourth Proportional to 453,631.46, 680,545.59 and 138,080.16

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Solution

The fourth proportional to 453,631.46, 680,545.59 and 138,080.16 is: 207,150.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    453,631.46 : 680,545.59 = 138,080.16 : x
  2. Step 2: Convert to fraction form
    453,631.46/680,545.59 = 138,080.16/x
  3. Step 3: Cross multiply
    453,631.46x = 680,545.59 × 138,080.16
  4. Step 4: Simplify right side
    453,631.46x = 93,969,843,954.49
  5. Step 5: Solve for x
    x = 93,969,843,954.49/453,631.46
  6. Step 6: Final answer
    x = 207,150.19

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.