Home / 194,659.20-291,405.60-115,732.80

Finding the Fourth Proportional to 194,659.20, 291,405.60 and 115,732.80

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Solution

The fourth proportional to 194,659.20, 291,405.60 and 115,732.80 is: 173,252.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,659.20 : 291,405.60 = 115,732.80 : x
  2. Step 2: Convert to fraction form
    194,659.20/291,405.60 = 115,732.80/x
  3. Step 3: Cross multiply
    194,659.20x = 291,405.60 × 115,732.80
  4. Step 4: Simplify right side
    194,659.20x = 33,725,186,023.68
  5. Step 5: Solve for x
    x = 33,725,186,023.68/194,659.20
  6. Step 6: Final answer
    x = 173,252.46

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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.