Home / 196,972.30-295,458.45-91,801.90

Finding the Fourth Proportional to 196,972.30, 295,458.45 and 91,801.90

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Solution

The fourth proportional to 196,972.30, 295,458.45 and 91,801.90 is: 137,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,972.30 : 295,458.45 = 91,801.90 : x
  2. Step 2: Convert to fraction form
    196,972.30/295,458.45 = 91,801.90/x
  3. Step 3: Cross multiply
    196,972.30x = 295,458.45 × 91,801.90
  4. Step 4: Simplify right side
    196,972.30x = 27,123,647,081.06
  5. Step 5: Solve for x
    x = 27,123,647,081.06/196,972.30
  6. Step 6: Final answer
    x = 137,702.85

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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.