Home / 194,066.91-291,008.19-67,691.82

Finding the Fourth Proportional to 194,066.91, 291,008.19 and 67,691.82

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Solution

The fourth proportional to 194,066.91, 291,008.19 and 67,691.82 is: 101,505.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,066.91 : 291,008.19 = 67,691.82 : x
  2. Step 2: Convert to fraction form
    194,066.91/291,008.19 = 67,691.82/x
  3. Step 3: Cross multiply
    194,066.91x = 291,008.19 × 67,691.82
  4. Step 4: Simplify right side
    194,066.91x = 19,698,874,016.01
  5. Step 5: Solve for x
    x = 19,698,874,016.01/194,066.91
  6. Step 6: Final answer
    x = 101,505.58

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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.