Home / 194,449.20-291,090.60-115,522.80

Finding the Fourth Proportional to 194,449.20, 291,090.60 and 115,522.80

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Solution

The fourth proportional to 194,449.20, 291,090.60 and 115,522.80 is: 172,937.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,449.20 : 291,090.60 = 115,522.80 : x
  2. Step 2: Convert to fraction form
    194,449.20/291,090.60 = 115,522.80/x
  3. Step 3: Cross multiply
    194,449.20x = 291,090.60 × 115,522.80
  4. Step 4: Simplify right side
    194,449.20x = 33,627,601,165.68
  5. Step 5: Solve for x
    x = 33,627,601,165.68/194,449.20
  6. Step 6: Final answer
    x = 172,937.72

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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.