Home / 131,227.67-181,099.92-73,870.70

Finding the Fourth Proportional to 131,227.67, 181,099.92 and 73,870.70

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Solution

The fourth proportional to 131,227.67, 181,099.92 and 73,870.70 is: 101,944.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,227.67 : 181,099.92 = 73,870.70 : x
  2. Step 2: Convert to fraction form
    131,227.67/181,099.92 = 73,870.70/x
  3. Step 3: Cross multiply
    131,227.67x = 181,099.92 × 73,870.70
  4. Step 4: Simplify right side
    131,227.67x = 13,377,976,954.84
  5. Step 5: Solve for x
    x = 13,377,976,954.84/131,227.67
  6. Step 6: Final answer
    x = 101,944.79

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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.