Home / 115,920.15-173,394.23-104,158.95

Finding the Fourth Proportional to 115,920.15, 173,394.23 and 104,158.95

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Solution

The fourth proportional to 115,920.15, 173,394.23 and 104,158.95 is: 155,801.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,920.15 : 173,394.23 = 104,158.95 : x
  2. Step 2: Convert to fraction form
    115,920.15/173,394.23 = 104,158.95/x
  3. Step 3: Cross multiply
    115,920.15x = 173,394.23 × 104,158.95
  4. Step 4: Simplify right side
    115,920.15x = 18,060,560,412.06
  5. Step 5: Solve for x
    x = 18,060,560,412.06/115,920.15
  6. Step 6: Final answer
    x = 155,801.73

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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.