Home / 117,766.53-176,582.75-80,371.91

Finding the Fourth Proportional to 117,766.53, 176,582.75 and 80,371.91

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Solution

The fourth proportional to 117,766.53, 176,582.75 and 80,371.91 is: 120,512.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,766.53 : 176,582.75 = 80,371.91 : x
  2. Step 2: Convert to fraction form
    117,766.53/176,582.75 = 80,371.91/x
  3. Step 3: Cross multiply
    117,766.53x = 176,582.75 × 80,371.91
  4. Step 4: Simplify right side
    117,766.53x = 14,192,291,605.78
  5. Step 5: Solve for x
    x = 14,192,291,605.78/117,766.53
  6. Step 6: Final answer
    x = 120,512.10

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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.