Home / 127,505.91-191,256.70-44,397.75

Finding the Fourth Proportional to 127,505.91, 191,256.70 and 44,397.75

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Solution

The fourth proportional to 127,505.91, 191,256.70 and 44,397.75 is: 66,595.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,505.91 : 191,256.70 = 44,397.75 : x
  2. Step 2: Convert to fraction form
    127,505.91/191,256.70 = 44,397.75/x
  3. Step 3: Cross multiply
    127,505.91x = 191,256.70 × 44,397.75
  4. Step 4: Simplify right side
    127,505.91x = 8,491,367,152.43
  5. Step 5: Solve for x
    x = 8,491,367,152.43/127,505.91
  6. Step 6: Final answer
    x = 66,595.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.