Home / 231,703.03-319,755.04-131,101.03

Finding the Fourth Proportional to 231,703.03, 319,755.04 and 131,101.03

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Solution

The fourth proportional to 231,703.03, 319,755.04 and 131,101.03 is: 180,922.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,703.03 : 319,755.04 = 131,101.03 : x
  2. Step 2: Convert to fraction form
    231,703.03/319,755.04 = 131,101.03/x
  3. Step 3: Cross multiply
    231,703.03x = 319,755.04 × 131,101.03
  4. Step 4: Simplify right side
    231,703.03x = 41,920,215,901.08
  5. Step 5: Solve for x
    x = 41,920,215,901.08/231,703.03
  6. Step 6: Final answer
    x = 180,922.17

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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.