Home / 179,310.40-247,321.01-117,982.36

Finding the Fourth Proportional to 179,310.40, 247,321.01 and 117,982.36

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Solution

The fourth proportional to 179,310.40, 247,321.01 and 117,982.36 is: 162,731.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,310.40 : 247,321.01 = 117,982.36 : x
  2. Step 2: Convert to fraction form
    179,310.40/247,321.01 = 117,982.36/x
  3. Step 3: Cross multiply
    179,310.40x = 247,321.01 × 117,982.36
  4. Step 4: Simplify right side
    179,310.40x = 29,179,516,437.38
  5. Step 5: Solve for x
    x = 29,179,516,437.38/179,310.40
  6. Step 6: Final answer
    x = 162,731.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.