Home / 117,772.20-176,255.10-71,058.60

Finding the Fourth Proportional to 117,772.20, 176,255.10 and 71,058.60

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Solution

The fourth proportional to 117,772.20, 176,255.10 and 71,058.60 is: 106,344.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,772.20 : 176,255.10 = 71,058.60 : x
  2. Step 2: Convert to fraction form
    117,772.20/176,255.10 = 71,058.60/x
  3. Step 3: Cross multiply
    117,772.20x = 176,255.10 × 71,058.60
  4. Step 4: Simplify right side
    117,772.20x = 12,524,440,648.86
  5. Step 5: Solve for x
    x = 12,524,440,648.86/117,772.20
  6. Step 6: Final answer
    x = 106,344.63

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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.