Home / 123,522.65-185,302.40-39,285.56

Finding the Fourth Proportional to 123,522.65, 185,302.40 and 39,285.56

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Solution

The fourth proportional to 123,522.65, 185,302.40 and 39,285.56 is: 58,934.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,522.65 : 185,302.40 = 39,285.56 : x
  2. Step 2: Convert to fraction form
    123,522.65/185,302.40 = 39,285.56/x
  3. Step 3: Cross multiply
    123,522.65x = 185,302.40 × 39,285.56
  4. Step 4: Simplify right side
    123,522.65x = 7,279,708,081.70
  5. Step 5: Solve for x
    x = 7,279,708,081.70/123,522.65
  6. Step 6: Final answer
    x = 58,934.20

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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.