Home / 131,999.48-197,911.74-47,748.56

Finding the Fourth Proportional to 131,999.48, 197,911.74 and 47,748.56

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Solution

The fourth proportional to 131,999.48, 197,911.74 and 47,748.56 is: 71,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,999.48 : 197,911.74 = 47,748.56 : x
  2. Step 2: Convert to fraction form
    131,999.48/197,911.74 = 47,748.56/x
  3. Step 3: Cross multiply
    131,999.48x = 197,911.74 × 47,748.56
  4. Step 4: Simplify right side
    131,999.48x = 9,450,000,592.09
  5. Step 5: Solve for x
    x = 9,450,000,592.09/131,999.48
  6. Step 6: Final answer
    x = 71,591.20

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1.5x scale

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.