Home / 136,070.46-187,789.05-75,652.92

Finding the Fourth Proportional to 136,070.46, 187,789.05 and 75,652.92

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Solution

The fourth proportional to 136,070.46, 187,789.05 and 75,652.92 is: 104,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,070.46 : 187,789.05 = 75,652.92 : x
  2. Step 2: Convert to fraction form
    136,070.46/187,789.05 = 75,652.92/x
  3. Step 3: Cross multiply
    136,070.46x = 187,789.05 × 75,652.92
  4. Step 4: Simplify right side
    136,070.46x = 14,206,789,976.53
  5. Step 5: Solve for x
    x = 14,206,789,976.53/136,070.46
  6. Step 6: Final answer
    x = 104,407.60

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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.