Home / 194,680.75-268,659.45-105,256.75

Finding the Fourth Proportional to 194,680.75, 268,659.45 and 105,256.75

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Solution

The fourth proportional to 194,680.75, 268,659.45 and 105,256.75 is: 145,254.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.75 : 268,659.45 = 105,256.75 : x
  2. Step 2: Convert to fraction form
    194,680.75/268,659.45 = 105,256.75/x
  3. Step 3: Cross multiply
    194,680.75x = 268,659.45 × 105,256.75
  4. Step 4: Simplify right side
    194,680.75x = 28,278,220,563.79
  5. Step 5: Solve for x
    x = 28,278,220,563.79/194,680.75
  6. Step 6: Final answer
    x = 145,254.32

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1.5x scale

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.