Home / 175,003.20-262,634.40-115,819.20

Finding the Fourth Proportional to 175,003.20, 262,634.40 and 115,819.20

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Solution

The fourth proportional to 175,003.20, 262,634.40 and 115,819.20 is: 173,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,003.20 : 262,634.40 = 115,819.20 : x
  2. Step 2: Convert to fraction form
    175,003.20/262,634.40 = 115,819.20/x
  3. Step 3: Cross multiply
    175,003.20x = 262,634.40 × 115,819.20
  4. Step 4: Simplify right side
    175,003.20x = 30,418,106,100.48
  5. Step 5: Solve for x
    x = 30,418,106,100.48/175,003.20
  6. Step 6: Final answer
    x = 173,814.57

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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.