Home / 268,926.30-403,389.72-69,247.13

Finding the Fourth Proportional to 268,926.30, 403,389.72 and 69,247.13

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Solution

The fourth proportional to 268,926.30, 403,389.72 and 69,247.13 is: 103,870.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,926.30 : 403,389.72 = 69,247.13 : x
  2. Step 2: Convert to fraction form
    268,926.30/403,389.72 = 69,247.13/x
  3. Step 3: Cross multiply
    268,926.30x = 403,389.72 × 69,247.13
  4. Step 4: Simplify right side
    268,926.30x = 27,933,578,364.56
  5. Step 5: Solve for x
    x = 27,933,578,364.56/268,926.30
  6. Step 6: Final answer
    x = 103,870.76

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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.