Home / 106,917.66-160,377.16-28,031.18

Finding the Fourth Proportional to 106,917.66, 160,377.16 and 28,031.18

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Solution

The fourth proportional to 106,917.66, 160,377.16 and 28,031.18 is: 42,046.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,917.66 : 160,377.16 = 28,031.18 : x
  2. Step 2: Convert to fraction form
    106,917.66/160,377.16 = 28,031.18/x
  3. Step 3: Cross multiply
    106,917.66x = 160,377.16 × 28,031.18
  4. Step 4: Simplify right side
    106,917.66x = 4,495,561,039.85
  5. Step 5: Solve for x
    x = 4,495,561,039.85/106,917.66
  6. Step 6: Final answer
    x = 42,046.95

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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.