Home / 345,731.59-477,074.61-192,755.30

Finding the Fourth Proportional to 345,731.59, 477,074.61 and 192,755.30

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Solution

The fourth proportional to 345,731.59, 477,074.61 and 192,755.30 is: 265,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,731.59 : 477,074.61 = 192,755.30 : x
  2. Step 2: Convert to fraction form
    345,731.59/477,074.61 = 192,755.30/x
  3. Step 3: Cross multiply
    345,731.59x = 477,074.61 × 192,755.30
  4. Step 4: Simplify right side
    345,731.59x = 91,958,657,187.56
  5. Step 5: Solve for x
    x = 91,958,657,187.56/345,731.59
  6. Step 6: Final answer
    x = 265,982.80

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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.