Home / 120,496.01-180,618.68-40,474.59

Finding the Fourth Proportional to 120,496.01, 180,618.68 and 40,474.59

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Solution

The fourth proportional to 120,496.01, 180,618.68 and 40,474.59 is: 60,669.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,496.01 : 180,618.68 = 40,474.59 : x
  2. Step 2: Convert to fraction form
    120,496.01/180,618.68 = 40,474.59/x
  3. Step 3: Cross multiply
    120,496.01x = 180,618.68 × 40,474.59
  4. Step 4: Simplify right side
    120,496.01x = 7,310,466,816.97
  5. Step 5: Solve for x
    x = 7,310,466,816.97/120,496.01
  6. Step 6: Final answer
    x = 60,669.79

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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.