Home / 148,390.41-222,561.17-41,781.76

Finding the Fourth Proportional to 148,390.41, 222,561.17 and 41,781.76

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Solution

The fourth proportional to 148,390.41, 222,561.17 and 41,781.76 is: 62,665.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,390.41 : 222,561.17 = 41,781.76 : x
  2. Step 2: Convert to fraction form
    148,390.41/222,561.17 = 41,781.76/x
  3. Step 3: Cross multiply
    148,390.41x = 222,561.17 × 41,781.76
  4. Step 4: Simplify right side
    148,390.41x = 9,298,996,781.63
  5. Step 5: Solve for x
    x = 9,298,996,781.63/148,390.41
  6. Step 6: Final answer
    x = 62,665.75

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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.