Home / 516,139.17-774,208.47-161,183.61

Finding the Fourth Proportional to 516,139.17, 774,208.47 and 161,183.61

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Solution

The fourth proportional to 516,139.17, 774,208.47 and 161,183.61 is: 241,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,139.17 : 774,208.47 = 161,183.61 : x
  2. Step 2: Convert to fraction form
    516,139.17/774,208.47 = 161,183.61/x
  3. Step 3: Cross multiply
    516,139.17x = 774,208.47 × 161,183.61
  4. Step 4: Simplify right side
    516,139.17x = 124,789,716,087.18
  5. Step 5: Solve for x
    x = 124,789,716,087.18/516,139.17
  6. Step 6: Final answer
    x = 241,775.33

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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.