Home / 273,079.02-409,470.17-123,143.79

Finding the Fourth Proportional to 273,079.02, 409,470.17 and 123,143.79

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Solution

The fourth proportional to 273,079.02, 409,470.17 and 123,143.79 is: 184,648.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,079.02 : 409,470.17 = 123,143.79 : x
  2. Step 2: Convert to fraction form
    273,079.02/409,470.17 = 123,143.79/x
  3. Step 3: Cross multiply
    273,079.02x = 409,470.17 × 123,143.79
  4. Step 4: Simplify right side
    273,079.02x = 50,423,708,010.03
  5. Step 5: Solve for x
    x = 50,423,708,010.03/273,079.02
  6. Step 6: Final answer
    x = 184,648.78

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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.