Home / 216,715.32-324,992.14-74,520.37

Finding the Fourth Proportional to 216,715.32, 324,992.14 and 74,520.37

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Solution

The fourth proportional to 216,715.32, 324,992.14 and 74,520.37 is: 111,752.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,715.32 : 324,992.14 = 74,520.37 : x
  2. Step 2: Convert to fraction form
    216,715.32/324,992.14 = 74,520.37/x
  3. Step 3: Cross multiply
    216,715.32x = 324,992.14 × 74,520.37
  4. Step 4: Simplify right side
    216,715.32x = 24,218,534,519.89
  5. Step 5: Solve for x
    x = 24,218,534,519.89/216,715.32
  6. Step 6: Final answer
    x = 111,752.76

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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.