Home / 148,190.70-204,508.10-90,818.92

Finding the Fourth Proportional to 148,190.70, 204,508.10 and 90,818.92

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Solution

The fourth proportional to 148,190.70, 204,508.10 and 90,818.92 is: 125,333.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,190.70 : 204,508.10 = 90,818.92 : x
  2. Step 2: Convert to fraction form
    148,190.70/204,508.10 = 90,818.92/x
  3. Step 3: Cross multiply
    148,190.70x = 204,508.10 × 90,818.92
  4. Step 4: Simplify right side
    148,190.70x = 18,573,204,773.25
  5. Step 5: Solve for x
    x = 18,573,204,773.25/148,190.70
  6. Step 6: Final answer
    x = 125,333.13

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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.