Home / 149,666.92-206,545.20-85,134.46

Finding the Fourth Proportional to 149,666.92, 206,545.20 and 85,134.46

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Solution

The fourth proportional to 149,666.92, 206,545.20 and 85,134.46 is: 117,488.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,666.92 : 206,545.20 = 85,134.46 : x
  2. Step 2: Convert to fraction form
    149,666.92/206,545.20 = 85,134.46/x
  3. Step 3: Cross multiply
    149,666.92x = 206,545.20 × 85,134.46
  4. Step 4: Simplify right side
    149,666.92x = 17,584,114,067.59
  5. Step 5: Solve for x
    x = 17,584,114,067.59/149,666.92
  6. Step 6: Final answer
    x = 117,488.31

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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.