Home / 353,227.20-529,658.40-103,876.80

Finding the Fourth Proportional to 353,227.20, 529,658.40 and 103,876.80

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Solution

The fourth proportional to 353,227.20, 529,658.40 and 103,876.80 is: 155,761.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,227.20 : 529,658.40 = 103,876.80 : x
  2. Step 2: Convert to fraction form
    353,227.20/529,658.40 = 103,876.80/x
  3. Step 3: Cross multiply
    353,227.20x = 529,658.40 × 103,876.80
  4. Step 4: Simplify right side
    353,227.20x = 55,019,219,685.12
  5. Step 5: Solve for x
    x = 55,019,219,685.12/353,227.20
  6. Step 6: Final answer
    x = 155,761.56

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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.