Home / 175,023.20-261,878.70-115,974.20

Finding the Fourth Proportional to 175,023.20, 261,878.70 and 115,974.20

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Solution

The fourth proportional to 175,023.20, 261,878.70 and 115,974.20 is: 173,526.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,023.20 : 261,878.70 = 115,974.20 : x
  2. Step 2: Convert to fraction form
    175,023.20/261,878.70 = 115,974.20/x
  3. Step 3: Cross multiply
    175,023.20x = 261,878.70 × 115,974.20
  4. Step 4: Simplify right side
    175,023.20x = 30,371,172,729.54
  5. Step 5: Solve for x
    x = 30,371,172,729.54/175,023.20
  6. Step 6: Final answer
    x = 173,526.55

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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.