Home / 231,317.82-319,399.53-177,517.62

Finding the Fourth Proportional to 231,317.82, 319,399.53 and 177,517.62

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Solution

The fourth proportional to 231,317.82, 319,399.53 and 177,517.62 is: 245,113.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,317.82 : 319,399.53 = 177,517.62 : x
  2. Step 2: Convert to fraction form
    231,317.82/319,399.53 = 177,517.62/x
  3. Step 3: Cross multiply
    231,317.82x = 319,399.53 × 177,517.62
  4. Step 4: Simplify right side
    231,317.82x = 56,699,044,394.72
  5. Step 5: Solve for x
    x = 56,699,044,394.72/231,317.82
  6. Step 6: Final answer
    x = 245,113.17

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1.5x scale

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.