Home / 345,814.30-477,214.23-192,857.14

Finding the Fourth Proportional to 345,814.30, 477,214.23 and 192,857.14

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Solution

The fourth proportional to 345,814.30, 477,214.23 and 192,857.14 is: 266,137.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,814.30 : 477,214.23 = 192,857.14 : x
  2. Step 2: Convert to fraction form
    345,814.30/477,214.23 = 192,857.14/x
  3. Step 3: Cross multiply
    345,814.30x = 477,214.23 × 192,857.14
  4. Step 4: Simplify right side
    345,814.30x = 92,034,171,565.10
  5. Step 5: Solve for x
    x = 92,034,171,565.10/345,814.30
  6. Step 6: Final answer
    x = 266,137.55

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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.