Home / 127,612.67-191,404.42-34,125.71

Finding the Fourth Proportional to 127,612.67, 191,404.42 and 34,125.71

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Solution

The fourth proportional to 127,612.67, 191,404.42 and 34,125.71 is: 51,184.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,612.67 : 191,404.42 = 34,125.71 : x
  2. Step 2: Convert to fraction form
    127,612.67/191,404.42 = 34,125.71/x
  3. Step 3: Cross multiply
    127,612.67x = 191,404.42 × 34,125.71
  4. Step 4: Simplify right side
    127,612.67x = 6,531,810,687.30
  5. Step 5: Solve for x
    x = 6,531,810,687.30/127,612.67
  6. Step 6: Final answer
    x = 51,184.66

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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.