Home / 261,898.38-392,371.83-202,023.18

Finding the Fourth Proportional to 261,898.38, 392,371.83 and 202,023.18

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Solution

The fourth proportional to 261,898.38, 392,371.83 and 202,023.18 is: 302,667.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    261,898.38 : 392,371.83 = 202,023.18 : x
  2. Step 2: Convert to fraction form
    261,898.38/392,371.83 = 202,023.18/x
  3. Step 3: Cross multiply
    261,898.38x = 392,371.83 × 202,023.18
  4. Step 4: Simplify right side
    261,898.38x = 79,268,204,839.02
  5. Step 5: Solve for x
    x = 79,268,204,839.02/261,898.38
  6. Step 6: Final answer
    x = 302,667.79

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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.