Home / 185,851.12-256,456.04-105,262.56

Finding the Fourth Proportional to 185,851.12, 256,456.04 and 105,262.56

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Solution

The fourth proportional to 185,851.12, 256,456.04 and 105,262.56 is: 145,251.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,851.12 : 256,456.04 = 105,262.56 : x
  2. Step 2: Convert to fraction form
    185,851.12/256,456.04 = 105,262.56/x
  3. Step 3: Cross multiply
    185,851.12x = 256,456.04 × 105,262.56
  4. Step 4: Simplify right side
    185,851.12x = 26,995,219,297.86
  5. Step 5: Solve for x
    x = 26,995,219,297.86/185,851.12
  6. Step 6: Final answer
    x = 145,251.85

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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.