Home / 132,115.93-198,173.37-47,856.38

Finding the Fourth Proportional to 132,115.93, 198,173.37 and 47,856.38

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Solution

The fourth proportional to 132,115.93, 198,173.37 and 47,856.38 is: 71,784.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,115.93 : 198,173.37 = 47,856.38 : x
  2. Step 2: Convert to fraction form
    132,115.93/198,173.37 = 47,856.38/x
  3. Step 3: Cross multiply
    132,115.93x = 198,173.37 × 47,856.38
  4. Step 4: Simplify right side
    132,115.93x = 9,483,858,870.45
  5. Step 5: Solve for x
    x = 9,483,858,870.45/132,115.93
  6. Step 6: Final answer
    x = 71,784.37

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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.