Home / 120,624.60-180,937.36-50,454.70

Finding the Fourth Proportional to 120,624.60, 180,937.36 and 50,454.70

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Solution

The fourth proportional to 120,624.60, 180,937.36 and 50,454.70 is: 75,682.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,624.60 : 180,937.36 = 50,454.70 : x
  2. Step 2: Convert to fraction form
    120,624.60/180,937.36 = 50,454.70/x
  3. Step 3: Cross multiply
    120,624.60x = 180,937.36 × 50,454.70
  4. Step 4: Simplify right side
    120,624.60x = 9,129,140,217.59
  5. Step 5: Solve for x
    x = 9,129,140,217.59/120,624.60
  6. Step 6: Final answer
    x = 75,682.24

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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.