Home / 252,867.72-379,301.46-75,370.20

Finding the Fourth Proportional to 252,867.72, 379,301.46 and 75,370.20

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Solution

The fourth proportional to 252,867.72, 379,301.46 and 75,370.20 is: 113,055.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,867.72 : 379,301.46 = 75,370.20 : x
  2. Step 2: Convert to fraction form
    252,867.72/379,301.46 = 75,370.20/x
  3. Step 3: Cross multiply
    252,867.72x = 379,301.46 × 75,370.20
  4. Step 4: Simplify right side
    252,867.72x = 28,588,026,900.49
  5. Step 5: Solve for x
    x = 28,588,026,900.49/252,867.72
  6. Step 6: Final answer
    x = 113,055.26

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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.