Home / 253,226.88-379,665.36-111,003.84

Finding the Fourth Proportional to 253,226.88, 379,665.36 and 111,003.84

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Solution

The fourth proportional to 253,226.88, 379,665.36 and 111,003.84 is: 166,429.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    253,226.88 : 379,665.36 = 111,003.84 : x
  2. Step 2: Convert to fraction form
    253,226.88/379,665.36 = 111,003.84/x
  3. Step 3: Cross multiply
    253,226.88x = 379,665.36 × 111,003.84
  4. Step 4: Simplify right side
    253,226.88x = 42,144,312,874.98
  5. Step 5: Solve for x
    x = 42,144,312,874.98/253,226.88
  6. Step 6: Final answer
    x = 166,429.07

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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.