Home / 268,925.65-403,388.74-69,246.47

Finding the Fourth Proportional to 268,925.65, 403,388.74 and 69,246.47

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Solution

The fourth proportional to 268,925.65, 403,388.74 and 69,246.47 is: 103,869.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,925.65 : 403,388.74 = 69,246.47 : x
  2. Step 2: Convert to fraction form
    268,925.65/403,388.74 = 69,246.47/x
  3. Step 3: Cross multiply
    268,925.65x = 403,388.74 × 69,246.47
  4. Step 4: Simplify right side
    268,925.65x = 27,933,247,118.10
  5. Step 5: Solve for x
    x = 27,933,247,118.10/268,925.65
  6. Step 6: Final answer
    x = 103,869.78

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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.