Home / 115,442.55-173,163.83-106,585.20

Finding the Fourth Proportional to 115,442.55, 173,163.83 and 106,585.20

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Solution

The fourth proportional to 115,442.55, 173,163.83 and 106,585.20 is: 159,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,442.55 : 173,163.83 = 106,585.20 : x
  2. Step 2: Convert to fraction form
    115,442.55/173,163.83 = 106,585.20/x
  3. Step 3: Cross multiply
    115,442.55x = 173,163.83 × 106,585.20
  4. Step 4: Simplify right side
    115,442.55x = 18,456,700,920.39
  5. Step 5: Solve for x
    x = 18,456,700,920.39/115,442.55
  6. Step 6: Final answer
    x = 159,877.80

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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.