Home / 123,529.20-185,293.80-108,766.95

Finding the Fourth Proportional to 123,529.20, 185,293.80 and 108,766.95

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Solution

The fourth proportional to 123,529.20, 185,293.80 and 108,766.95 is: 163,150.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,529.20 : 185,293.80 = 108,766.95 : x
  2. Step 2: Convert to fraction form
    123,529.20/185,293.80 = 108,766.95/x
  3. Step 3: Cross multiply
    123,529.20x = 185,293.80 × 108,766.95
  4. Step 4: Simplify right side
    123,529.20x = 20,153,841,479.91
  5. Step 5: Solve for x
    x = 20,153,841,479.91/123,529.20
  6. Step 6: Final answer
    x = 163,150.43

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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.