Home / 127,378.26-175,785.57-73,658.10

Finding the Fourth Proportional to 127,378.26, 175,785.57 and 73,658.10

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Solution

The fourth proportional to 127,378.26, 175,785.57 and 73,658.10 is: 101,650.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,378.26 : 175,785.57 = 73,658.10 : x
  2. Step 2: Convert to fraction form
    127,378.26/175,785.57 = 73,658.10/x
  3. Step 3: Cross multiply
    127,378.26x = 175,785.57 × 73,658.10
  4. Step 4: Simplify right side
    127,378.26x = 12,948,031,093.62
  5. Step 5: Solve for x
    x = 12,948,031,093.62/127,378.26
  6. Step 6: Final answer
    x = 101,650.24

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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.