Home / 127,106.26-175,432.17-73,400.02

Finding the Fourth Proportional to 127,106.26, 175,432.17 and 73,400.02

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Solution

The fourth proportional to 127,106.26, 175,432.17 and 73,400.02 is: 101,306.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,106.26 : 175,432.17 = 73,400.02 : x
  2. Step 2: Convert to fraction form
    127,106.26/175,432.17 = 73,400.02/x
  3. Step 3: Cross multiply
    127,106.26x = 175,432.17 × 73,400.02
  4. Step 4: Simplify right side
    127,106.26x = 12,876,724,786.64
  5. Step 5: Solve for x
    x = 12,876,724,786.64/127,106.26
  6. Step 6: Final answer
    x = 101,306.77

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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.