Home / 665,869.94-998,834.08-192,603.14

Finding the Fourth Proportional to 665,869.94, 998,834.08 and 192,603.14

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Solution

The fourth proportional to 665,869.94, 998,834.08 and 192,603.14 is: 288,913.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    665,869.94 : 998,834.08 = 192,603.14 : x
  2. Step 2: Convert to fraction form
    665,869.94/998,834.08 = 192,603.14/x
  3. Step 3: Cross multiply
    665,869.94x = 998,834.08 × 192,603.14
  4. Step 4: Simplify right side
    665,869.94x = 192,378,580,147.01
  5. Step 5: Solve for x
    x = 192,378,580,147.01/665,869.94
  6. Step 6: Final answer
    x = 288,913.15

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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.