Home / 131,889.05-181,906.47-113,523.42

Finding the Fourth Proportional to 131,889.05, 181,906.47 and 113,523.42

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Solution

The fourth proportional to 131,889.05, 181,906.47 and 113,523.42 is: 156,575.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,889.05 : 181,906.47 = 113,523.42 : x
  2. Step 2: Convert to fraction form
    131,889.05/181,906.47 = 113,523.42/x
  3. Step 3: Cross multiply
    131,889.05x = 181,906.47 × 113,523.42
  4. Step 4: Simplify right side
    131,889.05x = 20,650,643,117.38
  5. Step 5: Solve for x
    x = 20,650,643,117.38/131,889.05
  6. Step 6: Final answer
    x = 156,575.87

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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.