Home / 301,947.12-416,692.20-165,986.79

Finding the Fourth Proportional to 301,947.12, 416,692.20 and 165,986.79

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Solution

The fourth proportional to 301,947.12, 416,692.20 and 165,986.79 is: 229,064.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,947.12 : 416,692.20 = 165,986.79 : x
  2. Step 2: Convert to fraction form
    301,947.12/416,692.20 = 165,986.79/x
  3. Step 3: Cross multiply
    301,947.12x = 416,692.20 × 165,986.79
  4. Step 4: Simplify right side
    301,947.12x = 69,165,400,696.04
  5. Step 5: Solve for x
    x = 69,165,400,696.04/301,947.12
  6. Step 6: Final answer
    x = 229,064.61

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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.