Home / 215,292.82-297,104.04-119,805.70

Finding the Fourth Proportional to 215,292.82, 297,104.04 and 119,805.70

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Solution

The fourth proportional to 215,292.82, 297,104.04 and 119,805.70 is: 165,331.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,292.82 : 297,104.04 = 119,805.70 : x
  2. Step 2: Convert to fraction form
    215,292.82/297,104.04 = 119,805.70/x
  3. Step 3: Cross multiply
    215,292.82x = 297,104.04 × 119,805.70
  4. Step 4: Simplify right side
    215,292.82x = 35,594,757,485.03
  5. Step 5: Solve for x
    x = 35,594,757,485.03/215,292.82
  6. Step 6: Final answer
    x = 165,331.84

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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.