Home / 153,892.03-231,243.96-82,867.18

Finding the Fourth Proportional to 153,892.03, 231,243.96 and 82,867.18

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Solution

The fourth proportional to 153,892.03, 231,243.96 and 82,867.18 is: 124,519.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    153,892.03 : 231,243.96 = 82,867.18 : x
  2. Step 2: Convert to fraction form
    153,892.03/231,243.96 = 82,867.18/x
  3. Step 3: Cross multiply
    153,892.03x = 231,243.96 × 82,867.18
  4. Step 4: Simplify right side
    153,892.03x = 19,162,534,442.90
  5. Step 5: Solve for x
    x = 19,162,534,442.90/153,892.03
  6. Step 6: Final answer
    x = 124,519.34

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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.