Home / 141,451.78-194,007.50-125,508.56

Finding the Fourth Proportional to 141,451.78, 194,007.50 and 125,508.56

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Solution

The fourth proportional to 141,451.78, 194,007.50 and 125,508.56 is: 172,140.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,451.78 : 194,007.50 = 125,508.56 : x
  2. Step 2: Convert to fraction form
    141,451.78/194,007.50 = 125,508.56/x
  3. Step 3: Cross multiply
    141,451.78x = 194,007.50 × 125,508.56
  4. Step 4: Simplify right side
    141,451.78x = 24,349,601,954.20
  5. Step 5: Solve for x
    x = 24,349,601,954.20/141,451.78
  6. Step 6: Final answer
    x = 172,140.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.