Home / 167,748.31-231,490.24-91,268.11

Finding the Fourth Proportional to 167,748.31, 231,490.24 and 91,268.11

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Solution

The fourth proportional to 167,748.31, 231,490.24 and 91,268.11 is: 125,948.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,748.31 : 231,490.24 = 91,268.11 : x
  2. Step 2: Convert to fraction form
    167,748.31/231,490.24 = 91,268.11/x
  3. Step 3: Cross multiply
    167,748.31x = 231,490.24 × 91,268.11
  4. Step 4: Simplify right side
    167,748.31x = 21,127,676,688.25
  5. Step 5: Solve for x
    x = 21,127,676,688.25/167,748.31
  6. Step 6: Final answer
    x = 125,948.67

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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.