Home / 120,363.56-166,182.39-75,059.85

Finding the Fourth Proportional to 120,363.56, 166,182.39 and 75,059.85

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Solution

The fourth proportional to 120,363.56, 166,182.39 and 75,059.85 is: 103,632.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,363.56 : 166,182.39 = 75,059.85 : x
  2. Step 2: Convert to fraction form
    120,363.56/166,182.39 = 75,059.85/x
  3. Step 3: Cross multiply
    120,363.56x = 166,182.39 × 75,059.85
  4. Step 4: Simplify right side
    120,363.56x = 12,473,625,266.04
  5. Step 5: Solve for x
    x = 12,473,625,266.04/120,363.56
  6. Step 6: Final answer
    x = 103,632.91

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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.