Home / 266,939.91-368,377.08-146,081.21

Finding the Fourth Proportional to 266,939.91, 368,377.08 and 146,081.21

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Solution

The fourth proportional to 266,939.91, 368,377.08 and 146,081.21 is: 201,592.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,939.91 : 368,377.08 = 146,081.21 : x
  2. Step 2: Convert to fraction form
    266,939.91/368,377.08 = 146,081.21/x
  3. Step 3: Cross multiply
    266,939.91x = 368,377.08 × 146,081.21
  4. Step 4: Simplify right side
    266,939.91x = 53,812,967,740.78
  5. Step 5: Solve for x
    x = 53,812,967,740.78/266,939.91
  6. Step 6: Final answer
    x = 201,592.07

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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.