Home / 221,620.04-332,430.60-88,511.12

Finding the Fourth Proportional to 221,620.04, 332,430.60 and 88,511.12

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Solution

The fourth proportional to 221,620.04, 332,430.60 and 88,511.12 is: 132,766.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,620.04 : 332,430.60 = 88,511.12 : x
  2. Step 2: Convert to fraction form
    221,620.04/332,430.60 = 88,511.12/x
  3. Step 3: Cross multiply
    221,620.04x = 332,430.60 × 88,511.12
  4. Step 4: Simplify right side
    221,620.04x = 29,423,804,728.27
  5. Step 5: Solve for x
    x = 29,423,804,728.27/221,620.04
  6. Step 6: Final answer
    x = 132,766.90

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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.