Home / 143,916.94-215,923.20-63,943.78

Finding the Fourth Proportional to 143,916.94, 215,923.20 and 63,943.78

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Solution

The fourth proportional to 143,916.94, 215,923.20 and 63,943.78 is: 95,936.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,916.94 : 215,923.20 = 63,943.78 : x
  2. Step 2: Convert to fraction form
    143,916.94/215,923.20 = 63,943.78/x
  3. Step 3: Cross multiply
    143,916.94x = 215,923.20 × 63,943.78
  4. Step 4: Simplify right side
    143,916.94x = 13,806,945,597.70
  5. Step 5: Solve for x
    x = 13,806,945,597.70/143,916.94
  6. Step 6: Final answer
    x = 95,936.90

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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.