Home / 185,610.76-256,143.02-100,727.82

Finding the Fourth Proportional to 185,610.76, 256,143.02 and 100,727.82

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Solution

The fourth proportional to 185,610.76, 256,143.02 and 100,727.82 is: 139,004.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,610.76 : 256,143.02 = 100,727.82 : x
  2. Step 2: Convert to fraction form
    185,610.76/256,143.02 = 100,727.82/x
  3. Step 3: Cross multiply
    185,610.76x = 256,143.02 × 100,727.82
  4. Step 4: Simplify right side
    185,610.76x = 25,800,727,509.18
  5. Step 5: Solve for x
    x = 25,800,727,509.18/185,610.76
  6. Step 6: Final answer
    x = 139,004.48

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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.