Home / 175,027.20-261,884.70-115,978.20

Finding the Fourth Proportional to 175,027.20, 261,884.70 and 115,978.20

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Solution

The fourth proportional to 175,027.20, 261,884.70 and 115,978.20 is: 173,532.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,027.20 : 261,884.70 = 115,978.20 : x
  2. Step 2: Convert to fraction form
    175,027.20/261,884.70 = 115,978.20/x
  3. Step 3: Cross multiply
    175,027.20x = 261,884.70 × 115,978.20
  4. Step 4: Simplify right side
    175,027.20x = 30,372,916,113.54
  5. Step 5: Solve for x
    x = 30,372,916,113.54/175,027.20
  6. Step 6: Final answer
    x = 173,532.55

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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.