Home / 143,738.84-215,609.11-37,115.53

Finding the Fourth Proportional to 143,738.84, 215,609.11 and 37,115.53

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Solution

The fourth proportional to 143,738.84, 215,609.11 and 37,115.53 is: 55,673.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,738.84 : 215,609.11 = 37,115.53 : x
  2. Step 2: Convert to fraction form
    143,738.84/215,609.11 = 37,115.53/x
  3. Step 3: Cross multiply
    143,738.84x = 215,609.11 × 37,115.53
  4. Step 4: Simplify right side
    143,738.84x = 8,002,445,758.67
  5. Step 5: Solve for x
    x = 8,002,445,758.67/143,738.84
  6. Step 6: Final answer
    x = 55,673.51

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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.