Home / 266,946.72-400,231.08-133,731.96

Finding the Fourth Proportional to 266,946.72, 400,231.08 and 133,731.96

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Solution

The fourth proportional to 266,946.72, 400,231.08 and 133,731.96 is: 200,503.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,946.72 : 400,231.08 = 133,731.96 : x
  2. Step 2: Convert to fraction form
    266,946.72/400,231.08 = 133,731.96/x
  3. Step 3: Cross multiply
    266,946.72x = 400,231.08 × 133,731.96
  4. Step 4: Simplify right side
    266,946.72x = 53,523,686,781.32
  5. Step 5: Solve for x
    x = 53,523,686,781.32/266,946.72
  6. Step 6: Final answer
    x = 200,503.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.