Home / 146,043.18-219,064.82-61,781.49

Finding the Fourth Proportional to 146,043.18, 219,064.82 and 61,781.49

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Solution

The fourth proportional to 146,043.18, 219,064.82 and 61,781.49 is: 92,672.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,043.18 : 219,064.82 = 61,781.49 : x
  2. Step 2: Convert to fraction form
    146,043.18/219,064.82 = 61,781.49/x
  3. Step 3: Cross multiply
    146,043.18x = 219,064.82 × 61,781.49
  4. Step 4: Simplify right side
    146,043.18x = 13,534,150,677.27
  5. Step 5: Solve for x
    x = 13,534,150,677.27/146,043.18
  6. Step 6: Final answer
    x = 92,672.25

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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.