Home / 424,260.23-636,390.14-124,743.29

Finding the Fourth Proportional to 424,260.23, 636,390.14 and 124,743.29

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Solution

The fourth proportional to 424,260.23, 636,390.14 and 124,743.29 is: 187,114.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,260.23 : 636,390.14 = 124,743.29 : x
  2. Step 2: Convert to fraction form
    424,260.23/636,390.14 = 124,743.29/x
  3. Step 3: Cross multiply
    424,260.23x = 636,390.14 × 124,743.29
  4. Step 4: Simplify right side
    424,260.23x = 79,385,395,981.49
  5. Step 5: Solve for x
    x = 79,385,395,981.49/424,260.23
  6. Step 6: Final answer
    x = 187,114.87

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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.