Home / 117,343.97-176,016.22-82,439.45

Finding the Fourth Proportional to 117,343.97, 176,016.22 and 82,439.45

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Solution

The fourth proportional to 117,343.97, 176,016.22 and 82,439.45 is: 123,659.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,343.97 : 176,016.22 = 82,439.45 : x
  2. Step 2: Convert to fraction form
    117,343.97/176,016.22 = 82,439.45/x
  3. Step 3: Cross multiply
    117,343.97x = 176,016.22 × 82,439.45
  4. Step 4: Simplify right side
    117,343.97x = 14,510,679,281.70
  5. Step 5: Solve for x
    x = 14,510,679,281.70/117,343.97
  6. Step 6: Final answer
    x = 123,659.36

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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.