Home / 194,246.80-291,197.40-115,277.20

Finding the Fourth Proportional to 194,246.80, 291,197.40 and 115,277.20

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Solution

The fourth proportional to 194,246.80, 291,197.40 and 115,277.20 is: 172,813.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,246.80 : 291,197.40 = 115,277.20 : x
  2. Step 2: Convert to fraction form
    194,246.80/291,197.40 = 115,277.20/x
  3. Step 3: Cross multiply
    194,246.80x = 291,197.40 × 115,277.20
  4. Step 4: Simplify right side
    194,246.80x = 33,568,420,919.28
  5. Step 5: Solve for x
    x = 33,568,420,919.28/194,246.80
  6. Step 6: Final answer
    x = 172,813.25

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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.