Home / 194,329.30-291,321.15-115,359.70

Finding the Fourth Proportional to 194,329.30, 291,321.15 and 115,359.70

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Solution

The fourth proportional to 194,329.30, 291,321.15 and 115,359.70 is: 172,936.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,329.30 : 291,321.15 = 115,359.70 : x
  2. Step 2: Convert to fraction form
    194,329.30/291,321.15 = 115,359.70/x
  3. Step 3: Cross multiply
    194,329.30x = 291,321.15 × 115,359.70
  4. Step 4: Simplify right side
    194,329.30x = 33,606,720,467.66
  5. Step 5: Solve for x
    x = 33,606,720,467.66/194,329.30
  6. Step 6: Final answer
    x = 172,936.97

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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.