Home / 353,129.40-529,694.10-227,158.20

Finding the Fourth Proportional to 353,129.40, 529,694.10 and 227,158.20

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Solution

The fourth proportional to 353,129.40, 529,694.10 and 227,158.20 is: 340,737.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,129.40 : 529,694.10 = 227,158.20 : x
  2. Step 2: Convert to fraction form
    353,129.40/529,694.10 = 227,158.20/x
  3. Step 3: Cross multiply
    353,129.40x = 529,694.10 × 227,158.20
  4. Step 4: Simplify right side
    353,129.40x = 120,324,358,306.62
  5. Step 5: Solve for x
    x = 120,324,358,306.62/353,129.40
  6. Step 6: Final answer
    x = 340,737.30

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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.