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Finding the Fourth Proportional to 194,182.60, 291,273.90 and 115,256.20

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Solution

The fourth proportional to 194,182.60, 291,273.90 and 115,256.20 is: 172,884.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,182.60 : 291,273.90 = 115,256.20 : x
  2. Step 2: Convert to fraction form
    194,182.60/291,273.90 = 115,256.20/x
  3. Step 3: Cross multiply
    194,182.60x = 291,273.90 × 115,256.20
  4. Step 4: Simplify right side
    194,182.60x = 33,571,122,873.18
  5. Step 5: Solve for x
    x = 33,571,122,873.18/194,182.60
  6. Step 6: Final answer
    x = 172,884.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.