Home / 266,192.14-399,345.62-76,651.23

Finding the Fourth Proportional to 266,192.14, 399,345.62 and 76,651.23

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Solution

The fourth proportional to 266,192.14, 399,345.62 and 76,651.23 is: 114,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    266,192.14 : 399,345.62 = 76,651.23 : x
  2. Step 2: Convert to fraction form
    266,192.14/399,345.62 = 76,651.23/x
  3. Step 3: Cross multiply
    266,192.14x = 399,345.62 × 76,651.23
  4. Step 4: Simplify right side
    266,192.14x = 30,610,332,968.11
  5. Step 5: Solve for x
    x = 30,610,332,968.11/266,192.14
  6. Step 6: Final answer
    x = 114,993.38

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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.