Home / 129,251.16-193,733.37-54,349.11

Finding the Fourth Proportional to 129,251.16, 193,733.37 and 54,349.11

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Solution

The fourth proportional to 129,251.16, 193,733.37 and 54,349.11 is: 81,463.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,251.16 : 193,733.37 = 54,349.11 : x
  2. Step 2: Convert to fraction form
    129,251.16/193,733.37 = 54,349.11/x
  3. Step 3: Cross multiply
    129,251.16x = 193,733.37 × 54,349.11
  4. Step 4: Simplify right side
    129,251.16x = 10,529,236,236.80
  5. Step 5: Solve for x
    x = 10,529,236,236.80/129,251.16
  6. Step 6: Final answer
    x = 81,463.38

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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.