Home / 347,680.20-521,520.30-111,030.60

Finding the Fourth Proportional to 347,680.20, 521,520.30 and 111,030.60

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Solution

The fourth proportional to 347,680.20, 521,520.30 and 111,030.60 is: 166,545.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,680.20 : 521,520.30 = 111,030.60 : x
  2. Step 2: Convert to fraction form
    347,680.20/521,520.30 = 111,030.60/x
  3. Step 3: Cross multiply
    347,680.20x = 521,520.30 × 111,030.60
  4. Step 4: Simplify right side
    347,680.20x = 57,904,711,821.18
  5. Step 5: Solve for x
    x = 57,904,711,821.18/347,680.20
  6. Step 6: Final answer
    x = 166,545.90

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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.