Home / 147,136.57-203,034.43-82,591.02

Finding the Fourth Proportional to 147,136.57, 203,034.43 and 82,591.02

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Solution

The fourth proportional to 147,136.57, 203,034.43 and 82,591.02 is: 113,967.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,136.57 : 203,034.43 = 82,591.02 : x
  2. Step 2: Convert to fraction form
    147,136.57/203,034.43 = 82,591.02/x
  3. Step 3: Cross multiply
    147,136.57x = 203,034.43 × 82,591.02
  4. Step 4: Simplify right side
    147,136.57x = 16,768,820,668.82
  5. Step 5: Solve for x
    x = 16,768,820,668.82/147,136.57
  6. Step 6: Final answer
    x = 113,967.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.