Home / 406,966.48-610,537.20-137,121.44

Finding the Fourth Proportional to 406,966.48, 610,537.20 and 137,121.44

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Solution

The fourth proportional to 406,966.48, 610,537.20 and 137,121.44 is: 205,711.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    406,966.48 : 610,537.20 = 137,121.44 : x
  2. Step 2: Convert to fraction form
    406,966.48/610,537.20 = 137,121.44/x
  3. Step 3: Cross multiply
    406,966.48x = 610,537.20 × 137,121.44
  4. Step 4: Simplify right side
    406,966.48x = 83,717,740,037.57
  5. Step 5: Solve for x
    x = 83,717,740,037.57/406,966.48
  6. Step 6: Final answer
    x = 205,711.64

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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.