Home / 221,500.86-332,178.39-121,773.66

Finding the Fourth Proportional to 221,500.86, 332,178.39 and 121,773.66

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Solution

The fourth proportional to 221,500.86, 332,178.39 and 121,773.66 is: 182,620.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,500.86 : 332,178.39 = 121,773.66 : x
  2. Step 2: Convert to fraction form
    221,500.86/332,178.39 = 121,773.66/x
  3. Step 3: Cross multiply
    221,500.86x = 332,178.39 × 121,773.66
  4. Step 4: Simplify right side
    221,500.86x = 40,450,578,323.21
  5. Step 5: Solve for x
    x = 40,450,578,323.21/221,500.86
  6. Step 6: Final answer
    x = 182,620.41

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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.