Home / 123,360.18-185,114.07-113,321.85

Finding the Fourth Proportional to 123,360.18, 185,114.07 and 113,321.85

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Solution

The fourth proportional to 123,360.18, 185,114.07 and 113,321.85 is: 170,050.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,360.18 : 185,114.07 = 113,321.85 : x
  2. Step 2: Convert to fraction form
    123,360.18/185,114.07 = 113,321.85/x
  3. Step 3: Cross multiply
    123,360.18x = 185,114.07 × 113,321.85
  4. Step 4: Simplify right side
    123,360.18x = 20,977,468,873.43
  5. Step 5: Solve for x
    x = 20,977,468,873.43/123,360.18
  6. Step 6: Final answer
    x = 170,050.57

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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.