Home / 107,164.83-160,734.88-28,285.21

Finding the Fourth Proportional to 107,164.83, 160,734.88 and 28,285.21

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Solution

The fourth proportional to 107,164.83, 160,734.88 and 28,285.21 is: 42,424.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,164.83 : 160,734.88 = 28,285.21 : x
  2. Step 2: Convert to fraction form
    107,164.83/160,734.88 = 28,285.21/x
  3. Step 3: Cross multiply
    107,164.83x = 160,734.88 × 28,285.21
  4. Step 4: Simplify right side
    107,164.83x = 4,546,419,835.12
  5. Step 5: Solve for x
    x = 4,546,419,835.12/107,164.83
  6. Step 6: Final answer
    x = 42,424.55

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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.