Home / 194,181.91-267,833.01-129,618.59

Finding the Fourth Proportional to 194,181.91, 267,833.01 and 129,618.59

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Solution

The fourth proportional to 194,181.91, 267,833.01 and 129,618.59 is: 178,781.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,181.91 : 267,833.01 = 129,618.59 : x
  2. Step 2: Convert to fraction form
    194,181.91/267,833.01 = 129,618.59/x
  3. Step 3: Cross multiply
    194,181.91x = 267,833.01 × 129,618.59
  4. Step 4: Simplify right side
    194,181.91x = 34,716,137,048.10
  5. Step 5: Solve for x
    x = 34,716,137,048.10/194,181.91
  6. Step 6: Final answer
    x = 178,781.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.