Home / 194,680.26-268,659.16-105,256.26

Finding the Fourth Proportional to 194,680.26, 268,659.16 and 105,256.26

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Solution

The fourth proportional to 194,680.26, 268,659.16 and 105,256.26 is: 145,253.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.26 : 268,659.16 = 105,256.26 : x
  2. Step 2: Convert to fraction form
    194,680.26/268,659.16 = 105,256.26/x
  3. Step 3: Cross multiply
    194,680.26x = 268,659.16 × 105,256.26
  4. Step 4: Simplify right side
    194,680.26x = 28,278,058,396.34
  5. Step 5: Solve for x
    x = 28,278,058,396.34/194,680.26
  6. Step 6: Final answer
    x = 145,253.86

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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.