Home / 186,903.28-280,067.92-126,853.76

Finding the Fourth Proportional to 186,903.28, 280,067.92 and 126,853.76

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Solution

The fourth proportional to 186,903.28, 280,067.92 and 126,853.76 is: 190,085.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,903.28 : 280,067.92 = 126,853.76 : x
  2. Step 2: Convert to fraction form
    186,903.28/280,067.92 = 126,853.76/x
  3. Step 3: Cross multiply
    186,903.28x = 280,067.92 × 126,853.76
  4. Step 4: Simplify right side
    186,903.28x = 35,527,668,707.38
  5. Step 5: Solve for x
    x = 35,527,668,707.38/186,903.28
  6. Step 6: Final answer
    x = 190,085.85

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1.5x scale

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.