Home / 481,501.14-721,857.62-181,811.66

Finding the Fourth Proportional to 481,501.14, 721,857.62 and 181,811.66

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Solution

The fourth proportional to 481,501.14, 721,857.62 and 181,811.66 is: 272,568.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,501.14 : 721,857.62 = 181,811.66 : x
  2. Step 2: Convert to fraction form
    481,501.14/721,857.62 = 181,811.66/x
  3. Step 3: Cross multiply
    481,501.14x = 721,857.62 × 181,811.66
  4. Step 4: Simplify right side
    481,501.14x = 131,242,132,175.85
  5. Step 5: Solve for x
    x = 131,242,132,175.85/481,501.14
  6. Step 6: Final answer
    x = 272,568.68

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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.