Home / 114,036.11-171,082.05-80,367.81

Finding the Fourth Proportional to 114,036.11, 171,082.05 and 80,367.81

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Solution

The fourth proportional to 114,036.11, 171,082.05 and 80,367.81 is: 120,571.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,036.11 : 171,082.05 = 80,367.81 : x
  2. Step 2: Convert to fraction form
    114,036.11/171,082.05 = 80,367.81/x
  3. Step 3: Cross multiply
    114,036.11x = 171,082.05 × 80,367.81
  4. Step 4: Simplify right side
    114,036.11x = 13,749,489,688.81
  5. Step 5: Solve for x
    x = 13,749,489,688.81/114,036.11
  6. Step 6: Final answer
    x = 120,571.37

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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.