Home / 194,680.39-268,658.91-105,256.39

Finding the Fourth Proportional to 194,680.39, 268,658.91 and 105,256.39

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Solution

The fourth proportional to 194,680.39, 268,658.91 and 105,256.39 is: 145,253.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,680.39 : 268,658.91 = 105,256.39 : x
  2. Step 2: Convert to fraction form
    194,680.39/268,658.91 = 105,256.39/x
  3. Step 3: Cross multiply
    194,680.39x = 268,658.91 × 105,256.39
  4. Step 4: Simplify right side
    194,680.39x = 28,278,067,007.93
  5. Step 5: Solve for x
    x = 28,278,067,007.93/194,680.39
  6. Step 6: Final answer
    x = 145,253.80

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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.