Home / 300,947.40-415,441.10-192,194.17

Finding the Fourth Proportional to 300,947.40, 415,441.10 and 192,194.17

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Solution

The fourth proportional to 300,947.40, 415,441.10 and 192,194.17 is: 265,313.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,947.40 : 415,441.10 = 192,194.17 : x
  2. Step 2: Convert to fraction form
    300,947.40/415,441.10 = 192,194.17/x
  3. Step 3: Cross multiply
    300,947.40x = 415,441.10 × 192,194.17
  4. Step 4: Simplify right side
    300,947.40x = 79,845,356,840.27
  5. Step 5: Solve for x
    x = 79,845,356,840.27/300,947.40
  6. Step 6: Final answer
    x = 265,313.33

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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.