Home / 148,042.40-222,063.60-131,712.80

Finding the Fourth Proportional to 148,042.40, 222,063.60 and 131,712.80

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Solution

The fourth proportional to 148,042.40, 222,063.60 and 131,712.80 is: 197,569.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,042.40 : 222,063.60 = 131,712.80 : x
  2. Step 2: Convert to fraction form
    148,042.40/222,063.60 = 131,712.80/x
  3. Step 3: Cross multiply
    148,042.40x = 222,063.60 × 131,712.80
  4. Step 4: Simplify right side
    148,042.40x = 29,248,618,534.08
  5. Step 5: Solve for x
    x = 29,248,618,534.08/148,042.40
  6. Step 6: Final answer
    x = 197,569.20

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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.