Home / 138,561.06-191,123.10-95,542.32

Finding the Fourth Proportional to 138,561.06, 191,123.10 and 95,542.32

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Solution

The fourth proportional to 138,561.06, 191,123.10 and 95,542.32 is: 131,785.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,561.06 : 191,123.10 = 95,542.32 : x
  2. Step 2: Convert to fraction form
    138,561.06/191,123.10 = 95,542.32/x
  3. Step 3: Cross multiply
    138,561.06x = 191,123.10 × 95,542.32
  4. Step 4: Simplify right side
    138,561.06x = 18,260,344,379.59
  5. Step 5: Solve for x
    x = 18,260,344,379.59/138,561.06
  6. Step 6: Final answer
    x = 131,785.54

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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.