Home / 115,929.80-173,894.70-108,096.20

Finding the Fourth Proportional to 115,929.80, 173,894.70 and 108,096.20

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Solution

The fourth proportional to 115,929.80, 173,894.70 and 108,096.20 is: 162,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,929.80 : 173,894.70 = 108,096.20 : x
  2. Step 2: Convert to fraction form
    115,929.80/173,894.70 = 108,096.20/x
  3. Step 3: Cross multiply
    115,929.80x = 173,894.70 × 108,096.20
  4. Step 4: Simplify right side
    115,929.80x = 18,797,356,270.14
  5. Step 5: Solve for x
    x = 18,797,356,270.14/115,929.80
  6. Step 6: Final answer
    x = 162,144.30

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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.