Home / 123,399.47-185,195.73-63,425.53

Finding the Fourth Proportional to 123,399.47, 185,195.73 and 63,425.53

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Solution

The fourth proportional to 123,399.47, 185,195.73 and 63,425.53 is: 95,187.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,399.47 : 185,195.73 = 63,425.53 : x
  2. Step 2: Convert to fraction form
    123,399.47/185,195.73 = 63,425.53/x
  3. Step 3: Cross multiply
    123,399.47x = 185,195.73 × 63,425.53
  4. Step 4: Simplify right side
    123,399.47x = 11,746,136,798.29
  5. Step 5: Solve for x
    x = 11,746,136,798.29/123,399.47
  6. Step 6: Final answer
    x = 95,187.90

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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.