Home / 167,981.85-231,806.21-104,318.28

Finding the Fourth Proportional to 167,981.85, 231,806.21 and 104,318.28

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Solution

The fourth proportional to 167,981.85, 231,806.21 and 104,318.28 is: 143,953.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,981.85 : 231,806.21 = 104,318.28 : x
  2. Step 2: Convert to fraction form
    167,981.85/231,806.21 = 104,318.28/x
  3. Step 3: Cross multiply
    167,981.85x = 231,806.21 × 104,318.28
  4. Step 4: Simplify right side
    167,981.85x = 24,181,624,598.93
  5. Step 5: Solve for x
    x = 24,181,624,598.93/167,981.85
  6. Step 6: Final answer
    x = 143,953.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.