Home / 127,589.26-176,092.53-76,630.13

Finding the Fourth Proportional to 127,589.26, 176,092.53 and 76,630.13

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Solution

The fourth proportional to 127,589.26, 176,092.53 and 76,630.13 is: 105,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,589.26 : 176,092.53 = 76,630.13 : x
  2. Step 2: Convert to fraction form
    127,589.26/176,092.53 = 76,630.13/x
  3. Step 3: Cross multiply
    127,589.26x = 176,092.53 × 76,630.13
  4. Step 4: Simplify right side
    127,589.26x = 13,493,993,465.93
  5. Step 5: Solve for x
    x = 13,493,993,465.93/127,589.26
  6. Step 6: Final answer
    x = 105,761.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.