Home / 665,538.12-998,110.08-192,227.58

Finding the Fourth Proportional to 665,538.12, 998,110.08 and 192,227.58

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Solution

The fourth proportional to 665,538.12, 998,110.08 and 192,227.58 is: 288,284.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,538.12 : 998,110.08 = 192,227.58 : x
  2. Step 2: Convert to fraction form
    665,538.12/998,110.08 = 192,227.58/x
  3. Step 3: Cross multiply
    665,538.12x = 998,110.08 × 192,227.58
  4. Step 4: Simplify right side
    665,538.12x = 191,864,285,252.01
  5. Step 5: Solve for x
    x = 191,864,285,252.01/665,538.12
  6. Step 6: Final answer
    x = 288,284.44

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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.