Home / 136,001.73-187,622.01-90,635.52

Finding the Fourth Proportional to 136,001.73, 187,622.01 and 90,635.52

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Solution

The fourth proportional to 136,001.73, 187,622.01 and 90,635.52 is: 125,036.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,001.73 : 187,622.01 = 90,635.52 : x
  2. Step 2: Convert to fraction form
    136,001.73/187,622.01 = 90,635.52/x
  3. Step 3: Cross multiply
    136,001.73x = 187,622.01 × 90,635.52
  4. Step 4: Simplify right side
    136,001.73x = 17,005,218,439.80
  5. Step 5: Solve for x
    x = 17,005,218,439.80/136,001.73
  6. Step 6: Final answer
    x = 125,036.78

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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.