Home / 185,610.86-256,143.17-100,727.92

Finding the Fourth Proportional to 185,610.86, 256,143.17 and 100,727.92

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Solution

The fourth proportional to 185,610.86, 256,143.17 and 100,727.92 is: 139,004.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,610.86 : 256,143.17 = 100,727.92 : x
  2. Step 2: Convert to fraction form
    185,610.86/256,143.17 = 100,727.92/x
  3. Step 3: Cross multiply
    185,610.86x = 256,143.17 × 100,727.92
  4. Step 4: Simplify right side
    185,610.86x = 25,800,767,592.31
  5. Step 5: Solve for x
    x = 25,800,767,592.31/185,610.86
  6. Step 6: Final answer
    x = 139,004.63

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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.