Home / 276,941.28-382,167.92-156,107.64

Finding the Fourth Proportional to 276,941.28, 382,167.92 and 156,107.64

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Solution

The fourth proportional to 276,941.28, 382,167.92 and 156,107.64 is: 215,422.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    276,941.28 : 382,167.92 = 156,107.64 : x
  2. Step 2: Convert to fraction form
    276,941.28/382,167.92 = 156,107.64/x
  3. Step 3: Cross multiply
    276,941.28x = 382,167.92 × 156,107.64
  4. Step 4: Simplify right side
    276,941.28x = 59,659,332,074.91
  5. Step 5: Solve for x
    x = 59,659,332,074.91/276,941.28
  6. Step 6: Final answer
    x = 215,422.32

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1.5x scale

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.