Home / 268,733.18-403,113.87-69,054.89

Finding the Fourth Proportional to 268,733.18, 403,113.87 and 69,054.89

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Solution

The fourth proportional to 268,733.18, 403,113.87 and 69,054.89 is: 103,585.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,733.18 : 403,113.87 = 69,054.89 : x
  2. Step 2: Convert to fraction form
    268,733.18/403,113.87 = 69,054.89/x
  3. Step 3: Cross multiply
    268,733.18x = 403,113.87 × 69,054.89
  4. Step 4: Simplify right side
    268,733.18x = 27,836,981,934.75
  5. Step 5: Solve for x
    x = 27,836,981,934.75/268,733.18
  6. Step 6: Final answer
    x = 103,585.95

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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.