Home / 186,932.40-280,690.20-108,200.40

Finding the Fourth Proportional to 186,932.40, 280,690.20 and 108,200.40

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Solution

The fourth proportional to 186,932.40, 280,690.20 and 108,200.40 is: 162,469.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,932.40 : 280,690.20 = 108,200.40 : x
  2. Step 2: Convert to fraction form
    186,932.40/280,690.20 = 108,200.40/x
  3. Step 3: Cross multiply
    186,932.40x = 280,690.20 × 108,200.40
  4. Step 4: Simplify right side
    186,932.40x = 30,370,791,916.08
  5. Step 5: Solve for x
    x = 30,370,791,916.08/186,932.40
  6. Step 6: Final answer
    x = 162,469.38

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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.