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Finding the Fourth Proportional to 215,235.16, 297,020.46 and 119,741.56

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Solution

The fourth proportional to 215,235.16, 297,020.46 and 119,741.56 is: 165,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,235.16 : 297,020.46 = 119,741.56 : x
  2. Step 2: Convert to fraction form
    215,235.16/297,020.46 = 119,741.56/x
  3. Step 3: Cross multiply
    215,235.16x = 297,020.46 × 119,741.56
  4. Step 4: Simplify right side
    215,235.16x = 35,565,693,232.32
  5. Step 5: Solve for x
    x = 35,565,693,232.32/215,235.16
  6. Step 6: Final answer
    x = 165,241.09

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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.