Home / 187,891.20-281,836.80-94,579.20

Finding the Fourth Proportional to 187,891.20, 281,836.80 and 94,579.20

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Solution

The fourth proportional to 187,891.20, 281,836.80 and 94,579.20 is: 141,868.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    187,891.20 : 281,836.80 = 94,579.20 : x
  2. Step 2: Convert to fraction form
    187,891.20/281,836.80 = 94,579.20/x
  3. Step 3: Cross multiply
    187,891.20x = 281,836.80 × 94,579.20
  4. Step 4: Simplify right side
    187,891.20x = 26,655,899,074.56
  5. Step 5: Solve for x
    x = 26,655,899,074.56/187,891.20
  6. Step 6: Final answer
    x = 141,868.80

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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.