Home / 266,333.05-399,584.66-95,439.36

Finding the Fourth Proportional to 266,333.05, 399,584.66 and 95,439.36

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Solution

The fourth proportional to 266,333.05, 399,584.66 and 95,439.36 is: 143,189.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,333.05 : 399,584.66 = 95,439.36 : x
  2. Step 2: Convert to fraction form
    266,333.05/399,584.66 = 95,439.36/x
  3. Step 3: Cross multiply
    266,333.05x = 399,584.66 × 95,439.36
  4. Step 4: Simplify right side
    266,333.05x = 38,136,104,216.22
  5. Step 5: Solve for x
    x = 38,136,104,216.22/266,333.05
  6. Step 6: Final answer
    x = 143,189.53

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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.