Home / 120,231.33-180,322.38-41,351.70

Finding the Fourth Proportional to 120,231.33, 180,322.38 and 41,351.70

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Solution

The fourth proportional to 120,231.33, 180,322.38 and 41,351.70 is: 62,019.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,231.33 : 180,322.38 = 41,351.70 : x
  2. Step 2: Convert to fraction form
    120,231.33/180,322.38 = 41,351.70/x
  3. Step 3: Cross multiply
    120,231.33x = 180,322.38 × 41,351.70
  4. Step 4: Simplify right side
    120,231.33x = 7,456,636,961.05
  5. Step 5: Solve for x
    x = 7,456,636,961.05/120,231.33
  6. Step 6: Final answer
    x = 62,019.08

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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.