Home / 106,204.58-159,306.67-31,377.28

Finding the Fourth Proportional to 106,204.58, 159,306.67 and 31,377.28

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Solution

The fourth proportional to 106,204.58, 159,306.67 and 31,377.28 is: 47,065.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,204.58 : 159,306.67 = 31,377.28 : x
  2. Step 2: Convert to fraction form
    106,204.58/159,306.67 = 31,377.28/x
  3. Step 3: Cross multiply
    106,204.58x = 159,306.67 × 31,377.28
  4. Step 4: Simplify right side
    106,204.58x = 4,998,609,990.46
  5. Step 5: Solve for x
    x = 4,998,609,990.46/106,204.58
  6. Step 6: Final answer
    x = 47,065.86

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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.