Home / 148,755.20-222,484.80-133,073.60

Finding the Fourth Proportional to 148,755.20, 222,484.80 and 133,073.60

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Solution

The fourth proportional to 148,755.20, 222,484.80 and 133,073.60 is: 199,030.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,755.20 : 222,484.80 = 133,073.60 : x
  2. Step 2: Convert to fraction form
    148,755.20/222,484.80 = 133,073.60/x
  3. Step 3: Cross multiply
    148,755.20x = 222,484.80 × 133,073.60
  4. Step 4: Simplify right side
    148,755.20x = 29,606,853,281.28
  5. Step 5: Solve for x
    x = 29,606,853,281.28/148,755.20
  6. Step 6: Final answer
    x = 199,030.71

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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.