Home / 516,135.17-774,202.47-161,179.61

Finding the Fourth Proportional to 516,135.17, 774,202.47 and 161,179.61

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Solution

The fourth proportional to 516,135.17, 774,202.47 and 161,179.61 is: 241,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,135.17 : 774,202.47 = 161,179.61 : x
  2. Step 2: Convert to fraction form
    516,135.17/774,202.47 = 161,179.61/x
  3. Step 3: Cross multiply
    516,135.17x = 774,202.47 × 161,179.61
  4. Step 4: Simplify right side
    516,135.17x = 124,785,652,175.64
  5. Step 5: Solve for x
    x = 124,785,652,175.64/516,135.17
  6. Step 6: Final answer
    x = 241,769.33

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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.