Home / 115,942.29-173,563.31-104,854.20

Finding the Fourth Proportional to 115,942.29, 173,563.31 and 104,854.20

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Solution

The fourth proportional to 115,942.29, 173,563.31 and 104,854.20 is: 156,964.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,942.29 : 173,563.31 = 104,854.20 : x
  2. Step 2: Convert to fraction form
    115,942.29/173,563.31 = 104,854.20/x
  3. Step 3: Cross multiply
    115,942.29x = 173,563.31 × 104,854.20
  4. Step 4: Simplify right side
    115,942.29x = 18,198,841,495.13
  5. Step 5: Solve for x
    x = 18,198,841,495.13/115,942.29
  6. Step 6: Final answer
    x = 156,964.65

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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.