Home / 183,986.28-276,085.76-77,361.75

Finding the Fourth Proportional to 183,986.28, 276,085.76 and 77,361.75

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Solution

The fourth proportional to 183,986.28, 276,085.76 and 77,361.75 is: 116,087.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,986.28 : 276,085.76 = 77,361.75 : x
  2. Step 2: Convert to fraction form
    183,986.28/276,085.76 = 77,361.75/x
  3. Step 3: Cross multiply
    183,986.28x = 276,085.76 × 77,361.75
  4. Step 4: Simplify right side
    183,986.28x = 21,358,477,156.87
  5. Step 5: Solve for x
    x = 21,358,477,156.87/183,986.28
  6. Step 6: Final answer
    x = 116,087.34

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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.