Home / 148,877.79-205,428.22-88,446.88

Finding the Fourth Proportional to 148,877.79, 205,428.22 and 88,446.88

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Solution

The fourth proportional to 148,877.79, 205,428.22 and 88,446.88 is: 122,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,877.79 : 205,428.22 = 88,446.88 : x
  2. Step 2: Convert to fraction form
    148,877.79/205,428.22 = 88,446.88/x
  3. Step 3: Cross multiply
    148,877.79x = 205,428.22 × 88,446.88
  4. Step 4: Simplify right side
    148,877.79x = 18,169,484,388.27
  5. Step 5: Solve for x
    x = 18,169,484,388.27/148,877.79
  6. Step 6: Final answer
    x = 122,042.95

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.