Home / 131,605.32-197,378.82-52,698.36

Finding the Fourth Proportional to 131,605.32, 197,378.82 and 52,698.36

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Solution

The fourth proportional to 131,605.32, 197,378.82 and 52,698.36 is: 79,035.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,605.32 : 197,378.82 = 52,698.36 : x
  2. Step 2: Convert to fraction form
    131,605.32/197,378.82 = 52,698.36/x
  3. Step 3: Cross multiply
    131,605.32x = 197,378.82 × 52,698.36
  4. Step 4: Simplify right side
    131,605.32x = 10,401,540,112.74
  5. Step 5: Solve for x
    x = 10,401,540,112.74/131,605.32
  6. Step 6: Final answer
    x = 79,035.86

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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.