Home / 180,799.75-271,250.39-66,945.85

Finding the Fourth Proportional to 180,799.75, 271,250.39 and 66,945.85

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Solution

The fourth proportional to 180,799.75, 271,250.39 and 66,945.85 is: 100,437.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,799.75 : 271,250.39 = 66,945.85 : x
  2. Step 2: Convert to fraction form
    180,799.75/271,250.39 = 66,945.85/x
  3. Step 3: Cross multiply
    180,799.75x = 271,250.39 × 66,945.85
  4. Step 4: Simplify right side
    180,799.75x = 18,159,087,410.62
  5. Step 5: Solve for x
    x = 18,159,087,410.62/180,799.75
  6. Step 6: Final answer
    x = 100,437.57

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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.