Home / 120,151.11-180,224.94-35,909.40

Finding the Fourth Proportional to 120,151.11, 180,224.94 and 35,909.40

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Solution

The fourth proportional to 120,151.11, 180,224.94 and 35,909.40 is: 53,863.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,151.11 : 180,224.94 = 35,909.40 : x
  2. Step 2: Convert to fraction form
    120,151.11/180,224.94 = 35,909.40/x
  3. Step 3: Cross multiply
    120,151.11x = 180,224.94 × 35,909.40
  4. Step 4: Simplify right side
    120,151.11x = 6,471,769,460.44
  5. Step 5: Solve for x
    x = 6,471,769,460.44/120,151.11
  6. Step 6: Final answer
    x = 53,863.58

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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.