Home / 185,840.55-256,460.27-100,957.68

Finding the Fourth Proportional to 185,840.55, 256,460.27 and 100,957.68

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Solution

The fourth proportional to 185,840.55, 256,460.27 and 100,957.68 is: 139,321.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,840.55 : 256,460.27 = 100,957.68 : x
  2. Step 2: Convert to fraction form
    185,840.55/256,460.27 = 100,957.68/x
  3. Step 3: Cross multiply
    185,840.55x = 256,460.27 × 100,957.68
  4. Step 4: Simplify right side
    185,840.55x = 25,891,633,366.59
  5. Step 5: Solve for x
    x = 25,891,633,366.59/185,840.55
  6. Step 6: Final answer
    x = 139,321.76

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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.