Home / 102,207.20-153,336.31-35,648.29

Finding the Fourth Proportional to 102,207.20, 153,336.31 and 35,648.29

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Solution

The fourth proportional to 102,207.20, 153,336.31 and 35,648.29 is: 53,481.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,207.20 : 153,336.31 = 35,648.29 : x
  2. Step 2: Convert to fraction form
    102,207.20/153,336.31 = 35,648.29/x
  3. Step 3: Cross multiply
    102,207.20x = 153,336.31 × 35,648.29
  4. Step 4: Simplify right side
    102,207.20x = 5,466,176,686.96
  5. Step 5: Solve for x
    x = 5,466,176,686.96/102,207.20
  6. Step 6: Final answer
    x = 53,481.33

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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.