Home / 516,131.18-774,196.46-161,175.61

Finding the Fourth Proportional to 516,131.18, 774,196.46 and 161,175.61

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Solution

The fourth proportional to 516,131.18, 774,196.46 and 161,175.61 is: 241,763.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,131.18 : 774,196.46 = 161,175.61 : x
  2. Step 2: Convert to fraction form
    516,131.18/774,196.46 = 161,175.61/x
  3. Step 3: Cross multiply
    516,131.18x = 774,196.46 × 161,175.61
  4. Step 4: Simplify right side
    516,131.18x = 124,781,586,700.34
  5. Step 5: Solve for x
    x = 124,781,586,700.34/516,131.18
  6. Step 6: Final answer
    x = 241,763.32

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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.