Home / 143,324.54-215,073.24-49,895.90

Finding the Fourth Proportional to 143,324.54, 215,073.24 and 49,895.90

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Solution

The fourth proportional to 143,324.54, 215,073.24 and 49,895.90 is: 74,873.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,324.54 : 215,073.24 = 49,895.90 : x
  2. Step 2: Convert to fraction form
    143,324.54/215,073.24 = 49,895.90/x
  3. Step 3: Cross multiply
    143,324.54x = 215,073.24 × 49,895.90
  4. Step 4: Simplify right side
    143,324.54x = 10,731,272,875.72
  5. Step 5: Solve for x
    x = 10,731,272,875.72/143,324.54
  6. Step 6: Final answer
    x = 74,873.94

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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.