Home / 194,680.50-292,052.34-76,287.66

Finding the Fourth Proportional to 194,680.50, 292,052.34 and 76,287.66

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Solution

The fourth proportional to 194,680.50, 292,052.34 and 76,287.66 is: 114,443.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.50 : 292,052.34 = 76,287.66 : x
  2. Step 2: Convert to fraction form
    194,680.50/292,052.34 = 76,287.66/x
  3. Step 3: Cross multiply
    194,680.50x = 292,052.34 × 76,287.66
  4. Step 4: Simplify right side
    194,680.50x = 22,279,989,616.12
  5. Step 5: Solve for x
    x = 22,279,989,616.12/194,680.50
  6. Step 6: Final answer
    x = 114,443.87

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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.