Home / 185,776.12-256,371.78-100,894.60

Finding the Fourth Proportional to 185,776.12, 256,371.78 and 100,894.60

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Solution

The fourth proportional to 185,776.12, 256,371.78 and 100,894.60 is: 139,234.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,776.12 : 256,371.78 = 100,894.60 : x
  2. Step 2: Convert to fraction form
    185,776.12/256,371.78 = 100,894.60/x
  3. Step 3: Cross multiply
    185,776.12x = 256,371.78 × 100,894.60
  4. Step 4: Simplify right side
    185,776.12x = 25,866,528,194.39
  5. Step 5: Solve for x
    x = 25,866,528,194.39/185,776.12
  6. Step 6: Final answer
    x = 139,234.95

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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.