Home / 345,788.49-477,190.20-192,836.35

Finding the Fourth Proportional to 345,788.49, 477,190.20 and 192,836.35

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Solution

The fourth proportional to 345,788.49, 477,190.20 and 192,836.35 is: 266,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,788.49 : 477,190.20 = 192,836.35 : x
  2. Step 2: Convert to fraction form
    345,788.49/477,190.20 = 192,836.35/x
  3. Step 3: Cross multiply
    345,788.49x = 477,190.20 × 192,836.35
  4. Step 4: Simplify right side
    345,788.49x = 92,019,617,020.26
  5. Step 5: Solve for x
    x = 92,019,617,020.26/345,788.49
  6. Step 6: Final answer
    x = 266,115.32

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1.5x scale

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.