Home / 238,286.79-328,653.55-161,864.81

Finding the Fourth Proportional to 238,286.79, 328,653.55 and 161,864.81

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Solution

The fourth proportional to 238,286.79, 328,653.55 and 161,864.81 is: 223,249.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,286.79 : 328,653.55 = 161,864.81 : x
  2. Step 2: Convert to fraction form
    238,286.79/328,653.55 = 161,864.81/x
  3. Step 3: Cross multiply
    238,286.79x = 328,653.55 × 161,864.81
  4. Step 4: Simplify right side
    238,286.79x = 53,197,443,293.75
  5. Step 5: Solve for x
    x = 53,197,443,293.75/238,286.79
  6. Step 6: Final answer
    x = 223,249.66

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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.