Home / 216,102.13-324,155.01-75,860.75

Finding the Fourth Proportional to 216,102.13, 324,155.01 and 75,860.75

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Solution

The fourth proportional to 216,102.13, 324,155.01 and 75,860.75 is: 113,791.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,102.13 : 324,155.01 = 75,860.75 : x
  2. Step 2: Convert to fraction form
    216,102.13/324,155.01 = 75,860.75/x
  3. Step 3: Cross multiply
    216,102.13x = 324,155.01 × 75,860.75
  4. Step 4: Simplify right side
    216,102.13x = 24,590,642,174.86
  5. Step 5: Solve for x
    x = 24,590,642,174.86/216,102.13
  6. Step 6: Final answer
    x = 113,791.76

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1.5x scale

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.