Home / 123,680.00-185,550.19-39,440.17

Finding the Fourth Proportional to 123,680.00, 185,550.19 and 39,440.17

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Solution

The fourth proportional to 123,680.00, 185,550.19 and 39,440.17 is: 59,169.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,680.00 : 185,550.19 = 39,440.17 : x
  2. Step 2: Convert to fraction form
    123,680.00/185,550.19 = 39,440.17/x
  3. Step 3: Cross multiply
    123,680.00x = 185,550.19 × 39,440.17
  4. Step 4: Simplify right side
    123,680.00x = 7,318,130,348.60
  5. Step 5: Solve for x
    x = 7,318,130,348.60/123,680.00
  6. Step 6: Final answer
    x = 59,169.88

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1.5x scale

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.