Home / 185,229.06-255,522.15-117,131.28

Finding the Fourth Proportional to 185,229.06, 255,522.15 and 117,131.28

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Solution

The fourth proportional to 185,229.06, 255,522.15 and 117,131.28 is: 161,581.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,229.06 : 255,522.15 = 117,131.28 : x
  2. Step 2: Convert to fraction form
    185,229.06/255,522.15 = 117,131.28/x
  3. Step 3: Cross multiply
    185,229.06x = 255,522.15 × 117,131.28
  4. Step 4: Simplify right side
    185,229.06x = 29,929,636,497.85
  5. Step 5: Solve for x
    x = 29,929,636,497.85/185,229.06
  6. Step 6: Final answer
    x = 161,581.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.