Home / 148,587.31-222,876.97-41,978.60

Finding the Fourth Proportional to 148,587.31, 222,876.97 and 41,978.60

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Solution

The fourth proportional to 148,587.31, 222,876.97 and 41,978.60 is: 62,966.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,587.31 : 222,876.97 = 41,978.60 : x
  2. Step 2: Convert to fraction form
    148,587.31/222,876.97 = 41,978.60/x
  3. Step 3: Cross multiply
    148,587.31x = 222,876.97 × 41,978.60
  4. Step 4: Simplify right side
    148,587.31x = 9,356,064,042.98
  5. Step 5: Solve for x
    x = 9,356,064,042.98/148,587.31
  6. Step 6: Final answer
    x = 62,966.78

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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.