Home / 185,327.78-255,753.60-100,446.26

Finding the Fourth Proportional to 185,327.78, 255,753.60 and 100,446.26

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Solution

The fourth proportional to 185,327.78, 255,753.60 and 100,446.26 is: 138,616.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,327.78 : 255,753.60 = 100,446.26 : x
  2. Step 2: Convert to fraction form
    185,327.78/255,753.60 = 100,446.26/x
  3. Step 3: Cross multiply
    185,327.78x = 255,753.60 × 100,446.26
  4. Step 4: Simplify right side
    185,327.78x = 25,689,492,601.54
  5. Step 5: Solve for x
    x = 25,689,492,601.54/185,327.78
  6. Step 6: Final answer
    x = 138,616.52

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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.