Home / 194,155.60-291,233.40-115,229.20

Finding the Fourth Proportional to 194,155.60, 291,233.40 and 115,229.20

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Solution

The fourth proportional to 194,155.60, 291,233.40 and 115,229.20 is: 172,843.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,155.60 : 291,233.40 = 115,229.20 : x
  2. Step 2: Convert to fraction form
    194,155.60/291,233.40 = 115,229.20/x
  3. Step 3: Cross multiply
    194,155.60x = 291,233.40 × 115,229.20
  4. Step 4: Simplify right side
    194,155.60x = 33,558,591,695.28
  5. Step 5: Solve for x
    x = 33,558,591,695.28/194,155.60
  6. Step 6: Final answer
    x = 172,843.80

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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.