Home / 104,380.22-156,568.51-72,329.74

Finding the Fourth Proportional to 104,380.22, 156,568.51 and 72,329.74

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Solution

The fourth proportional to 104,380.22, 156,568.51 and 72,329.74 is: 108,493.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,380.22 : 156,568.51 = 72,329.74 : x
  2. Step 2: Convert to fraction form
    104,380.22/156,568.51 = 72,329.74/x
  3. Step 3: Cross multiply
    104,380.22x = 156,568.51 × 72,329.74
  4. Step 4: Simplify right side
    104,380.22x = 11,324,559,319.48
  5. Step 5: Solve for x
    x = 11,324,559,319.48/104,380.22
  6. Step 6: Final answer
    x = 108,493.34

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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.