Home / 192,916.35-266,218.38-106,871.81

Finding the Fourth Proportional to 192,916.35, 266,218.38 and 106,871.81

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Solution

The fourth proportional to 192,916.35, 266,218.38 and 106,871.81 is: 147,479.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,916.35 : 266,218.38 = 106,871.81 : x
  2. Step 2: Convert to fraction form
    192,916.35/266,218.38 = 106,871.81/x
  3. Step 3: Cross multiply
    192,916.35x = 266,218.38 × 106,871.81
  4. Step 4: Simplify right side
    192,916.35x = 28,451,238,794.78
  5. Step 5: Solve for x
    x = 28,451,238,794.78/192,916.35
  6. Step 6: Final answer
    x = 147,479.67

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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.