Home / 143,522.92-215,087.10-73,254.52

Finding the Fourth Proportional to 143,522.92, 215,087.10 and 73,254.52

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Solution

The fourth proportional to 143,522.92, 215,087.10 and 73,254.52 is: 109,781.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,522.92 : 215,087.10 = 73,254.52 : x
  2. Step 2: Convert to fraction form
    143,522.92/215,087.10 = 73,254.52/x
  3. Step 3: Cross multiply
    143,522.92x = 215,087.10 × 73,254.52
  4. Step 4: Simplify right side
    143,522.92x = 15,756,102,268.69
  5. Step 5: Solve for x
    x = 15,756,102,268.69/143,522.92
  6. Step 6: Final answer
    x = 109,781.09

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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.