Home / 131,252.14-196,881-47,017.78

Finding the Fourth Proportional to 131,252.14, 196,881 and 47,017.78

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Solution

The fourth proportional to 131,252.14, 196,881 and 47,017.78 is: 70,527.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,252.14 : 196,881 = 47,017.78 : x
  2. Step 2: Convert to fraction form
    131,252.14/196,881 = 47,017.78/x
  3. Step 3: Cross multiply
    131,252.14x = 196,881 × 47,017.78
  4. Step 4: Simplify right side
    131,252.14x = 9,256,907,544.18
  5. Step 5: Solve for x
    x = 9,256,907,544.18/131,252.14
  6. Step 6: Final answer
    x = 70,527.67

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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.