Home / 165,766.22-248,614.08-47,405.78

Finding the Fourth Proportional to 165,766.22, 248,614.08 and 47,405.78

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Solution

The fourth proportional to 165,766.22, 248,614.08 and 47,405.78 is: 71,098.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,766.22 : 248,614.08 = 47,405.78 : x
  2. Step 2: Convert to fraction form
    165,766.22/248,614.08 = 47,405.78/x
  3. Step 3: Cross multiply
    165,766.22x = 248,614.08 × 47,405.78
  4. Step 4: Simplify right side
    165,766.22x = 11,785,744,381.38
  5. Step 5: Solve for x
    x = 11,785,744,381.38/165,766.22
  6. Step 6: Final answer
    x = 71,098.59

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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.