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Finding the Fourth Proportional to 185,364.60, 256,137.08 and 147,936.12

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Solution

The fourth proportional to 185,364.60, 256,137.08 and 147,936.12 is: 204,418.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,364.60 : 256,137.08 = 147,936.12 : x
  2. Step 2: Convert to fraction form
    185,364.60/256,137.08 = 147,936.12/x
  3. Step 3: Cross multiply
    185,364.60x = 256,137.08 × 147,936.12
  4. Step 4: Simplify right side
    185,364.60x = 37,891,925,803.33
  5. Step 5: Solve for x
    x = 37,891,925,803.33/185,364.60
  6. Step 6: Final answer
    x = 204,418.35

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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.