Home / 131,592.56-197,387-31,751.90

Finding the Fourth Proportional to 131,592.56, 197,387 and 31,751.90

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Solution

The fourth proportional to 131,592.56, 197,387 and 31,751.90 is: 47,627.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,592.56 : 197,387 = 31,751.90 : x
  2. Step 2: Convert to fraction form
    131,592.56/197,387 = 31,751.90/x
  3. Step 3: Cross multiply
    131,592.56x = 197,387 × 31,751.90
  4. Step 4: Simplify right side
    131,592.56x = 6,267,412,285.30
  5. Step 5: Solve for x
    x = 6,267,412,285.30/131,592.56
  6. Step 6: Final answer
    x = 47,627.41

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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.