Home / 216,000.77-324,229.41-121,311.86

Finding the Fourth Proportional to 216,000.77, 324,229.41 and 121,311.86

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Solution

The fourth proportional to 216,000.77, 324,229.41 and 121,311.86 is: 182,095.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    216,000.77 : 324,229.41 = 121,311.86 : x
  2. Step 2: Convert to fraction form
    216,000.77/324,229.41 = 121,311.86/x
  3. Step 3: Cross multiply
    216,000.77x = 324,229.41 × 121,311.86
  4. Step 4: Simplify right side
    216,000.77x = 39,332,871,172.66
  5. Step 5: Solve for x
    x = 39,332,871,172.66/216,000.77
  6. Step 6: Final answer
    x = 182,095.98

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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.