Home / 206,864.39-285,466.19-114,983.21

Finding the Fourth Proportional to 206,864.39, 285,466.19 and 114,983.21

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Solution

The fourth proportional to 206,864.39, 285,466.19 and 114,983.21 is: 158,673.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,864.39 : 285,466.19 = 114,983.21 : x
  2. Step 2: Convert to fraction form
    206,864.39/285,466.19 = 114,983.21/x
  3. Step 3: Cross multiply
    206,864.39x = 285,466.19 × 114,983.21
  4. Step 4: Simplify right side
    206,864.39x = 32,823,816,870.42
  5. Step 5: Solve for x
    x = 32,823,816,870.42/206,864.39
  6. Step 6: Final answer
    x = 158,673.12

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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.