Home / 141,489.28-212,236.26-113,278.60

Finding the Fourth Proportional to 141,489.28, 212,236.26 and 113,278.60

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Solution

The fourth proportional to 141,489.28, 212,236.26 and 113,278.60 is: 169,919.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    141,489.28 : 212,236.26 = 113,278.60 : x
  2. Step 2: Convert to fraction form
    141,489.28/212,236.26 = 113,278.60/x
  3. Step 3: Cross multiply
    141,489.28x = 212,236.26 × 113,278.60
  4. Step 4: Simplify right side
    141,489.28x = 24,041,826,402.04
  5. Step 5: Solve for x
    x = 24,041,826,402.04/141,489.28
  6. Step 6: Final answer
    x = 169,919.77

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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.