Home / 167,442.31-231,066.50-90,959.68

Finding the Fourth Proportional to 167,442.31, 231,066.50 and 90,959.68

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Solution

The fourth proportional to 167,442.31, 231,066.50 and 90,959.68 is: 125,522.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,442.31 : 231,066.50 = 90,959.68 : x
  2. Step 2: Convert to fraction form
    167,442.31/231,066.50 = 90,959.68/x
  3. Step 3: Cross multiply
    167,442.31x = 231,066.50 × 90,959.68
  4. Step 4: Simplify right side
    167,442.31x = 21,017,734,898.72
  5. Step 5: Solve for x
    x = 21,017,734,898.72/167,442.31
  6. Step 6: Final answer
    x = 125,522.25

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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.