Home / 143,876.72-215,837.27-49,084.70

Finding the Fourth Proportional to 143,876.72, 215,837.27 and 49,084.70

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Solution

The fourth proportional to 143,876.72, 215,837.27 and 49,084.70 is: 73,634.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,876.72 : 215,837.27 = 49,084.70 : x
  2. Step 2: Convert to fraction form
    143,876.72/215,837.27 = 49,084.70/x
  3. Step 3: Cross multiply
    143,876.72x = 215,837.27 × 49,084.70
  4. Step 4: Simplify right side
    143,876.72x = 10,594,306,322.16
  5. Step 5: Solve for x
    x = 10,594,306,322.16/143,876.72
  6. Step 6: Final answer
    x = 73,634.61

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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.