Home / 194,175.60-291,263.40-115,249.20

Finding the Fourth Proportional to 194,175.60, 291,263.40 and 115,249.20

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Solution

The fourth proportional to 194,175.60, 291,263.40 and 115,249.20 is: 172,873.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,175.60 : 291,263.40 = 115,249.20 : x
  2. Step 2: Convert to fraction form
    194,175.60/291,263.40 = 115,249.20/x
  3. Step 3: Cross multiply
    194,175.60x = 291,263.40 × 115,249.20
  4. Step 4: Simplify right side
    194,175.60x = 33,567,873,839.28
  5. Step 5: Solve for x
    x = 33,567,873,839.28/194,175.60
  6. Step 6: Final answer
    x = 172,873.80

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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.