Home / 516,130.18-774,194.96-161,174.61

Finding the Fourth Proportional to 516,130.18, 774,194.96 and 161,174.61

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Solution

The fourth proportional to 516,130.18, 774,194.96 and 161,174.61 is: 241,761.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,130.18 : 774,194.96 = 161,174.61 : x
  2. Step 2: Convert to fraction form
    516,130.18/774,194.96 = 161,174.61/x
  3. Step 3: Cross multiply
    516,130.18x = 774,194.96 × 161,174.61
  4. Step 4: Simplify right side
    516,130.18x = 124,780,571,144.90
  5. Step 5: Solve for x
    x = 124,780,571,144.90/516,130.18
  6. Step 6: Final answer
    x = 241,761.82

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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.