Home / 274,862.64-412,306.38-75,178.56

Finding the Fourth Proportional to 274,862.64, 412,306.38 and 75,178.56

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Solution

The fourth proportional to 274,862.64, 412,306.38 and 75,178.56 is: 112,771.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    274,862.64 : 412,306.38 = 75,178.56 : x
  2. Step 2: Convert to fraction form
    274,862.64/412,306.38 = 75,178.56/x
  3. Step 3: Cross multiply
    274,862.64x = 412,306.38 × 75,178.56
  4. Step 4: Simplify right side
    274,862.64x = 30,996,599,927.21
  5. Step 5: Solve for x
    x = 30,996,599,927.21/274,862.64
  6. Step 6: Final answer
    x = 112,771.24

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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.