Home / 104,264.68-156,397.28-25,378.80

Finding the Fourth Proportional to 104,264.68, 156,397.28 and 25,378.80

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Solution

The fourth proportional to 104,264.68, 156,397.28 and 25,378.80 is: 38,068.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,264.68 : 156,397.28 = 25,378.80 : x
  2. Step 2: Convert to fraction form
    104,264.68/156,397.28 = 25,378.80/x
  3. Step 3: Cross multiply
    104,264.68x = 156,397.28 × 25,378.80
  4. Step 4: Simplify right side
    104,264.68x = 3,969,175,289.66
  5. Step 5: Solve for x
    x = 3,969,175,289.66/104,264.68
  6. Step 6: Final answer
    x = 38,068.26

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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.