Home / 167,315.43-230,898.07-90,834.54

Finding the Fourth Proportional to 167,315.43, 230,898.07 and 90,834.54

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Solution

The fourth proportional to 167,315.43, 230,898.07 and 90,834.54 is: 125,353.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,315.43 : 230,898.07 = 90,834.54 : x
  2. Step 2: Convert to fraction form
    167,315.43/230,898.07 = 90,834.54/x
  3. Step 3: Cross multiply
    167,315.43x = 230,898.07 × 90,834.54
  4. Step 4: Simplify right side
    167,315.43x = 20,973,519,975.34
  5. Step 5: Solve for x
    x = 20,973,519,975.34/167,315.43
  6. Step 6: Final answer
    x = 125,353.17

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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.