Home / 104,660.60-156,990.18-34,545.56

Finding the Fourth Proportional to 104,660.60, 156,990.18 and 34,545.56

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Solution

The fourth proportional to 104,660.60, 156,990.18 and 34,545.56 is: 51,818.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,660.60 : 156,990.18 = 34,545.56 : x
  2. Step 2: Convert to fraction form
    104,660.60/156,990.18 = 34,545.56/x
  3. Step 3: Cross multiply
    104,660.60x = 156,990.18 × 34,545.56
  4. Step 4: Simplify right side
    104,660.60x = 5,423,313,682.60
  5. Step 5: Solve for x
    x = 5,423,313,682.60/104,660.60
  6. Step 6: Final answer
    x = 51,818.10

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1.5x scale

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.