Home / 127,613.43-191,420.15-34,116.75

Finding the Fourth Proportional to 127,613.43, 191,420.15 and 34,116.75

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Solution

The fourth proportional to 127,613.43, 191,420.15 and 34,116.75 is: 51,175.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,613.43 : 191,420.15 = 34,116.75 : x
  2. Step 2: Convert to fraction form
    127,613.43/191,420.15 = 34,116.75/x
  3. Step 3: Cross multiply
    127,613.43x = 191,420.15 × 34,116.75
  4. Step 4: Simplify right side
    127,613.43x = 6,530,633,231.93
  5. Step 5: Solve for x
    x = 6,530,633,231.93/127,613.43
  6. Step 6: Final answer
    x = 51,175.13

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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.