Home / 268,723.77-403,154.91-192,910.20

Finding the Fourth Proportional to 268,723.77, 403,154.91 and 192,910.20

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Solution

The fourth proportional to 268,723.77, 403,154.91 and 192,910.20 is: 289,415.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,723.77 : 403,154.91 = 192,910.20 : x
  2. Step 2: Convert to fraction form
    268,723.77/403,154.91 = 192,910.20/x
  3. Step 3: Cross multiply
    268,723.77x = 403,154.91 × 192,910.20
  4. Step 4: Simplify right side
    268,723.77x = 77,772,693,354.53
  5. Step 5: Solve for x
    x = 77,772,693,354.53/268,723.77
  6. Step 6: Final answer
    x = 289,415.01

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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.