Home / 132,905.34-199,369.08-38,135.34

Finding the Fourth Proportional to 132,905.34, 199,369.08 and 38,135.34

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Solution

The fourth proportional to 132,905.34, 199,369.08 and 38,135.34 is: 57,206.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,905.34 : 199,369.08 = 38,135.34 : x
  2. Step 2: Convert to fraction form
    132,905.34/199,369.08 = 38,135.34/x
  3. Step 3: Cross multiply
    132,905.34x = 199,369.08 × 38,135.34
  4. Step 4: Simplify right side
    132,905.34x = 7,603,007,651.29
  5. Step 5: Solve for x
    x = 7,603,007,651.29/132,905.34
  6. Step 6: Final answer
    x = 57,206.19

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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.