Home / 131,382.44-181,330.89-125,392.05

Finding the Fourth Proportional to 131,382.44, 181,330.89 and 125,392.05

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Solution

The fourth proportional to 131,382.44, 181,330.89 and 125,392.05 is: 173,063.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,382.44 : 181,330.89 = 125,392.05 : x
  2. Step 2: Convert to fraction form
    131,382.44/181,330.89 = 125,392.05/x
  3. Step 3: Cross multiply
    131,382.44x = 181,330.89 × 125,392.05
  4. Step 4: Simplify right side
    131,382.44x = 22,737,451,781.30
  5. Step 5: Solve for x
    x = 22,737,451,781.30/131,382.44
  6. Step 6: Final answer
    x = 173,063.10

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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.