Home / 345,813.30-477,212.85-192,856.14

Finding the Fourth Proportional to 345,813.30, 477,212.85 and 192,856.14

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Solution

The fourth proportional to 345,813.30, 477,212.85 and 192,856.14 is: 266,136.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,813.30 : 477,212.85 = 192,856.14 : x
  2. Step 2: Convert to fraction form
    345,813.30/477,212.85 = 192,856.14/x
  3. Step 3: Cross multiply
    345,813.30x = 477,212.85 × 192,856.14
  4. Step 4: Simplify right side
    345,813.30x = 92,033,428,209.40
  5. Step 5: Solve for x
    x = 92,033,428,209.40/345,813.30
  6. Step 6: Final answer
    x = 266,136.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.