Home / 106,787.70-160,181.55-27,909.90

Finding the Fourth Proportional to 106,787.70, 160,181.55 and 27,909.90

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Solution

The fourth proportional to 106,787.70, 160,181.55 and 27,909.90 is: 41,864.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,787.70 : 160,181.55 = 27,909.90 : x
  2. Step 2: Convert to fraction form
    106,787.70/160,181.55 = 27,909.90/x
  3. Step 3: Cross multiply
    106,787.70x = 160,181.55 × 27,909.90
  4. Step 4: Simplify right side
    106,787.70x = 4,470,651,042.35
  5. Step 5: Solve for x
    x = 4,470,651,042.35/106,787.70
  6. Step 6: Final answer
    x = 41,864.85

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1.5x scale

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.