Home / 161,714.56-223,170.78-93,731.80

Finding the Fourth Proportional to 161,714.56, 223,170.78 and 93,731.80

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Solution

The fourth proportional to 161,714.56, 223,170.78 and 93,731.80 is: 129,352.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,714.56 : 223,170.78 = 93,731.80 : x
  2. Step 2: Convert to fraction form
    161,714.56/223,170.78 = 93,731.80/x
  3. Step 3: Cross multiply
    161,714.56x = 223,170.78 × 93,731.80
  4. Step 4: Simplify right side
    161,714.56x = 20,918,198,916.80
  5. Step 5: Solve for x
    x = 20,918,198,916.80/161,714.56
  6. Step 6: Final answer
    x = 129,352.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.