Home / 104,220.12-156,352.18-40,179.90

Finding the Fourth Proportional to 104,220.12, 156,352.18 and 40,179.90

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Solution

The fourth proportional to 104,220.12, 156,352.18 and 40,179.90 is: 60,278.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,220.12 : 156,352.18 = 40,179.90 : x
  2. Step 2: Convert to fraction form
    104,220.12/156,352.18 = 40,179.90/x
  3. Step 3: Cross multiply
    104,220.12x = 156,352.18 × 40,179.90
  4. Step 4: Simplify right side
    104,220.12x = 6,282,214,957.18
  5. Step 5: Solve for x
    x = 6,282,214,957.18/104,220.12
  6. Step 6: Final answer
    x = 60,278.33

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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.