Home / 123,529.52-185,542.20-73,706.84

Finding the Fourth Proportional to 123,529.52, 185,542.20 and 73,706.84

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Solution

The fourth proportional to 123,529.52, 185,542.20 and 73,706.84 is: 110,708.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,529.52 : 185,542.20 = 73,706.84 : x
  2. Step 2: Convert to fraction form
    123,529.52/185,542.20 = 73,706.84/x
  3. Step 3: Cross multiply
    123,529.52x = 185,542.20 × 73,706.84
  4. Step 4: Simplify right side
    123,529.52x = 13,675,729,248.65
  5. Step 5: Solve for x
    x = 13,675,729,248.65/123,529.52
  6. Step 6: Final answer
    x = 110,708.19

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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.