Home / 148,002.62-204,240.57-80,934.62

Finding the Fourth Proportional to 148,002.62, 204,240.57 and 80,934.62

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Solution

The fourth proportional to 148,002.62, 204,240.57 and 80,934.62 is: 111,688.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,002.62 : 204,240.57 = 80,934.62 : x
  2. Step 2: Convert to fraction form
    148,002.62/204,240.57 = 80,934.62/x
  3. Step 3: Cross multiply
    148,002.62x = 204,240.57 × 80,934.62
  4. Step 4: Simplify right side
    148,002.62x = 16,530,132,921.53
  5. Step 5: Solve for x
    x = 16,530,132,921.53/148,002.62
  6. Step 6: Final answer
    x = 111,688.11

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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.