Home / 102,217.20-153,351.31-35,657.88

Finding the Fourth Proportional to 102,217.20, 153,351.31 and 35,657.88

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Solution

The fourth proportional to 102,217.20, 153,351.31 and 35,657.88 is: 53,495.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,217.20 : 153,351.31 = 35,657.88 : x
  2. Step 2: Convert to fraction form
    102,217.20/153,351.31 = 35,657.88/x
  3. Step 3: Cross multiply
    102,217.20x = 153,351.31 × 35,657.88
  4. Step 4: Simplify right side
    102,217.20x = 5,468,182,609.82
  5. Step 5: Solve for x
    x = 5,468,182,609.82/102,217.20
  6. Step 6: Final answer
    x = 53,495.72

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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.