Home / 243,162.11-335,562.43-141,212.64

Finding the Fourth Proportional to 243,162.11, 335,562.43 and 141,212.64

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Solution

The fourth proportional to 243,162.11, 335,562.43 and 141,212.64 is: 194,872.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    243,162.11 : 335,562.43 = 141,212.64 : x
  2. Step 2: Convert to fraction form
    243,162.11/335,562.43 = 141,212.64/x
  3. Step 3: Cross multiply
    243,162.11x = 335,562.43 × 141,212.64
  4. Step 4: Simplify right side
    243,162.11x = 47,385,654,241.24
  5. Step 5: Solve for x
    x = 47,385,654,241.24/243,162.11
  6. Step 6: Final answer
    x = 194,872.69

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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.