Home / 131,235.86-196,856.82-47,001.80

Finding the Fourth Proportional to 131,235.86, 196,856.82 and 47,001.80

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Solution

The fourth proportional to 131,235.86, 196,856.82 and 47,001.80 is: 70,503.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,235.86 : 196,856.82 = 47,001.80 : x
  2. Step 2: Convert to fraction form
    131,235.86/196,856.82 = 47,001.80/x
  3. Step 3: Cross multiply
    131,235.86x = 196,856.82 × 47,001.80
  4. Step 4: Simplify right side
    131,235.86x = 9,252,624,882.28
  5. Step 5: Solve for x
    x = 9,252,624,882.28/131,235.86
  6. Step 6: Final answer
    x = 70,503.79

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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.