Home / 131,587.90-197,380.01-31,747.25

Finding the Fourth Proportional to 131,587.90, 197,380.01 and 31,747.25

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Solution

The fourth proportional to 131,587.90, 197,380.01 and 31,747.25 is: 47,620.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,587.90 : 197,380.01 = 31,747.25 : x
  2. Step 2: Convert to fraction form
    131,587.90/197,380.01 = 31,747.25/x
  3. Step 3: Cross multiply
    131,587.90x = 197,380.01 × 31,747.25
  4. Step 4: Simplify right side
    131,587.90x = 6,266,273,095.29
  5. Step 5: Solve for x
    x = 6,266,273,095.29/131,587.90
  6. Step 6: Final answer
    x = 47,620.44

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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.