Home / 127,711.59-191,567.43-52,749.35

Finding the Fourth Proportional to 127,711.59, 191,567.43 and 52,749.35

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Solution

The fourth proportional to 127,711.59, 191,567.43 and 52,749.35 is: 79,124.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,711.59 : 191,567.43 = 52,749.35 : x
  2. Step 2: Convert to fraction form
    127,711.59/191,567.43 = 52,749.35/x
  3. Step 3: Cross multiply
    127,711.59x = 191,567.43 × 52,749.35
  4. Step 4: Simplify right side
    127,711.59x = 10,105,057,174.21
  5. Step 5: Solve for x
    x = 10,105,057,174.21/127,711.59
  6. Step 6: Final answer
    x = 79,124.04

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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.