Home / 267,687.28-369,408.45-154,510.03

Finding the Fourth Proportional to 267,687.28, 369,408.45 and 154,510.03

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Solution

The fourth proportional to 267,687.28, 369,408.45 and 154,510.03 is: 213,223.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,687.28 : 369,408.45 = 154,510.03 : x
  2. Step 2: Convert to fraction form
    267,687.28/369,408.45 = 154,510.03/x
  3. Step 3: Cross multiply
    267,687.28x = 369,408.45 × 154,510.03
  4. Step 4: Simplify right side
    267,687.28x = 57,077,310,863.81
  5. Step 5: Solve for x
    x = 57,077,310,863.81/267,687.28
  6. Step 6: Final answer
    x = 213,223.84

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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.