Home / 106,741.32-160,212.30-54,188.52

Finding the Fourth Proportional to 106,741.32, 160,212.30 and 54,188.52

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Solution

The fourth proportional to 106,741.32, 160,212.30 and 54,188.52 is: 81,333.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,741.32 : 160,212.30 = 54,188.52 : x
  2. Step 2: Convert to fraction form
    106,741.32/160,212.30 = 54,188.52/x
  3. Step 3: Cross multiply
    106,741.32x = 160,212.30 × 54,188.52
  4. Step 4: Simplify right side
    106,741.32x = 8,681,667,422.80
  5. Step 5: Solve for x
    x = 8,681,667,422.80/106,741.32
  6. Step 6: Final answer
    x = 81,333.71

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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.