Home / 125,359.23-187,862.04-69,224.61

Finding the Fourth Proportional to 125,359.23, 187,862.04 and 69,224.61

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Solution

The fourth proportional to 125,359.23, 187,862.04 and 69,224.61 is: 103,739.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,359.23 : 187,862.04 = 69,224.61 : x
  2. Step 2: Convert to fraction form
    125,359.23/187,862.04 = 69,224.61/x
  3. Step 3: Cross multiply
    125,359.23x = 187,862.04 × 69,224.61
  4. Step 4: Simplify right side
    125,359.23x = 13,004,676,452.80
  5. Step 5: Solve for x
    x = 13,004,676,452.80/125,359.23
  6. Step 6: Final answer
    x = 103,739.28

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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.