Home / 104,147.88-156,155.60-88,358.35

Finding the Fourth Proportional to 104,147.88, 156,155.60 and 88,358.35

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Solution

The fourth proportional to 104,147.88, 156,155.60 and 88,358.35 is: 132,481.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,147.88 : 156,155.60 = 88,358.35 : x
  2. Step 2: Convert to fraction form
    104,147.88/156,155.60 = 88,358.35/x
  3. Step 3: Cross multiply
    104,147.88x = 156,155.60 × 88,358.35
  4. Step 4: Simplify right side
    104,147.88x = 13,797,651,159.26
  5. Step 5: Solve for x
    x = 13,797,651,159.26/104,147.88
  6. Step 6: Final answer
    x = 132,481.34

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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.