Home / 186,227.60-279,119.16-129,761.84

Finding the Fourth Proportional to 186,227.60, 279,119.16 and 129,761.84

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Solution

The fourth proportional to 186,227.60, 279,119.16 and 129,761.84 is: 194,487.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    186,227.60 : 279,119.16 = 129,761.84 : x
  2. Step 2: Convert to fraction form
    186,227.60/279,119.16 = 129,761.84/x
  3. Step 3: Cross multiply
    186,227.60x = 279,119.16 × 129,761.84
  4. Step 4: Simplify right side
    186,227.60x = 36,219,015,780.85
  5. Step 5: Solve for x
    x = 36,219,015,780.85/186,227.60
  6. Step 6: Final answer
    x = 194,487.91

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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.