Home / 148,338.71-222,654.26-105,691.51

Finding the Fourth Proportional to 148,338.71, 222,654.26 and 105,691.51

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Solution

The fourth proportional to 148,338.71, 222,654.26 and 105,691.51 is: 158,641.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,338.71 : 222,654.26 = 105,691.51 : x
  2. Step 2: Convert to fraction form
    148,338.71/222,654.26 = 105,691.51/x
  3. Step 3: Cross multiply
    148,338.71x = 222,654.26 × 105,691.51
  4. Step 4: Simplify right side
    148,338.71x = 23,532,663,862.24
  5. Step 5: Solve for x
    x = 23,532,663,862.24/148,338.71
  6. Step 6: Final answer
    x = 158,641.43

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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.