Home / 132,960.72-199,382.52-49,796.40

Finding the Fourth Proportional to 132,960.72, 199,382.52 and 49,796.40

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Solution

The fourth proportional to 132,960.72, 199,382.52 and 49,796.40 is: 74,672.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,960.72 : 199,382.52 = 49,796.40 : x
  2. Step 2: Convert to fraction form
    132,960.72/199,382.52 = 49,796.40/x
  3. Step 3: Cross multiply
    132,960.72x = 199,382.52 × 49,796.40
  4. Step 4: Simplify right side
    132,960.72x = 9,928,531,718.93
  5. Step 5: Solve for x
    x = 9,928,531,718.93/132,960.72
  6. Step 6: Final answer
    x = 74,672.67

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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.