Home / 124,859.20-187,313.10-36,115.60

Finding the Fourth Proportional to 124,859.20, 187,313.10 and 36,115.60

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Solution

The fourth proportional to 124,859.20, 187,313.10 and 36,115.60 is: 54,180.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,859.20 : 187,313.10 = 36,115.60 : x
  2. Step 2: Convert to fraction form
    124,859.20/187,313.10 = 36,115.60/x
  3. Step 3: Cross multiply
    124,859.20x = 187,313.10 × 36,115.60
  4. Step 4: Simplify right side
    124,859.20x = 6,764,924,994.36
  5. Step 5: Solve for x
    x = 6,764,924,994.36/124,859.20
  6. Step 6: Final answer
    x = 54,180.43

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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.