Home / 117,892.65-162,331.56-88,863.20

Finding the Fourth Proportional to 117,892.65, 162,331.56 and 88,863.20

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Solution

The fourth proportional to 117,892.65, 162,331.56 and 88,863.20 is: 122,359.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,892.65 : 162,331.56 = 88,863.20 : x
  2. Step 2: Convert to fraction form
    117,892.65/162,331.56 = 88,863.20/x
  3. Step 3: Cross multiply
    117,892.65x = 162,331.56 × 88,863.20
  4. Step 4: Simplify right side
    117,892.65x = 14,425,301,070.93
  5. Step 5: Solve for x
    x = 14,425,301,070.93/117,892.65
  6. Step 6: Final answer
    x = 122,359.63

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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.