Home / 113,228.29-169,862.96-92,353.38

Finding the Fourth Proportional to 113,228.29, 169,862.96 and 92,353.38

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Solution

The fourth proportional to 113,228.29, 169,862.96 and 92,353.38 is: 138,546.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,228.29 : 169,862.96 = 92,353.38 : x
  2. Step 2: Convert to fraction form
    113,228.29/169,862.96 = 92,353.38/x
  3. Step 3: Cross multiply
    113,228.29x = 169,862.96 × 92,353.38
  4. Step 4: Simplify right side
    113,228.29x = 15,687,418,492.80
  5. Step 5: Solve for x
    x = 15,687,418,492.80/113,228.29
  6. Step 6: Final answer
    x = 138,546.81

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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.