Home / 185,793.27-256,400.76-105,219.06

Finding the Fourth Proportional to 185,793.27, 256,400.76 and 105,219.06

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Solution

The fourth proportional to 185,793.27, 256,400.76 and 105,219.06 is: 145,205.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,793.27 : 256,400.76 = 105,219.06 : x
  2. Step 2: Convert to fraction form
    185,793.27/256,400.76 = 105,219.06/x
  3. Step 3: Cross multiply
    185,793.27x = 256,400.76 × 105,219.06
  4. Step 4: Simplify right side
    185,793.27x = 26,978,246,950.49
  5. Step 5: Solve for x
    x = 26,978,246,950.49/185,793.27
  6. Step 6: Final answer
    x = 145,205.73

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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.