Home / 123,456.19-185,195.22-34,710.47

Finding the Fourth Proportional to 123,456.19, 185,195.22 and 34,710.47

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Solution

The fourth proportional to 123,456.19, 185,195.22 and 34,710.47 is: 52,068.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,456.19 : 185,195.22 = 34,710.47 : x
  2. Step 2: Convert to fraction form
    123,456.19/185,195.22 = 34,710.47/x
  3. Step 3: Cross multiply
    123,456.19x = 185,195.22 × 34,710.47
  4. Step 4: Simplify right side
    123,456.19x = 6,428,213,127.95
  5. Step 5: Solve for x
    x = 6,428,213,127.95/123,456.19
  6. Step 6: Final answer
    x = 52,068.78

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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.