Home / 132,913.62-199,336.38-39,397.50

Finding the Fourth Proportional to 132,913.62, 199,336.38 and 39,397.50

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Solution

The fourth proportional to 132,913.62, 199,336.38 and 39,397.50 is: 59,086.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,913.62 : 199,336.38 = 39,397.50 : x
  2. Step 2: Convert to fraction form
    132,913.62/199,336.38 = 39,397.50/x
  3. Step 3: Cross multiply
    132,913.62x = 199,336.38 × 39,397.50
  4. Step 4: Simplify right side
    132,913.62x = 7,853,355,031.05
  5. Step 5: Solve for x
    x = 7,853,355,031.05/132,913.62
  6. Step 6: Final answer
    x = 59,086.16

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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.