Home / 269,277.84-403,927.01-100,780.42

Finding the Fourth Proportional to 269,277.84, 403,927.01 and 100,780.42

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Solution

The fourth proportional to 269,277.84, 403,927.01 and 100,780.42 is: 151,174.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,277.84 : 403,927.01 = 100,780.42 : x
  2. Step 2: Convert to fraction form
    269,277.84/403,927.01 = 100,780.42/x
  3. Step 3: Cross multiply
    269,277.84x = 403,927.01 × 100,780.42
  4. Step 4: Simplify right side
    269,277.84x = 40,707,933,812.63
  5. Step 5: Solve for x
    x = 40,707,933,812.63/269,277.84
  6. Step 6: Final answer
    x = 151,174.47

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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.