Home / 123,495.13-185,223.30-39,244.20

Finding the Fourth Proportional to 123,495.13, 185,223.30 and 39,244.20

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Solution

The fourth proportional to 123,495.13, 185,223.30 and 39,244.20 is: 58,860.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,495.13 : 185,223.30 = 39,244.20 : x
  2. Step 2: Convert to fraction form
    123,495.13/185,223.30 = 39,244.20/x
  3. Step 3: Cross multiply
    123,495.13x = 185,223.30 × 39,244.20
  4. Step 4: Simplify right side
    123,495.13x = 7,268,940,229.86
  5. Step 5: Solve for x
    x = 7,268,940,229.86/123,495.13
  6. Step 6: Final answer
    x = 58,860.14

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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.