Home / 516,134.66-774,209.78-179,186.02

Finding the Fourth Proportional to 516,134.66, 774,209.78 and 179,186.02

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Solution

The fourth proportional to 516,134.66, 774,209.78 and 179,186.02 is: 268,781.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,134.66 : 774,209.78 = 179,186.02 : x
  2. Step 2: Convert to fraction form
    516,134.66/774,209.78 = 179,186.02/x
  3. Step 3: Cross multiply
    516,134.66x = 774,209.78 × 179,186.02
  4. Step 4: Simplify right side
    516,134.66x = 138,727,565,512.13
  5. Step 5: Solve for x
    x = 138,727,565,512.13/516,134.66
  6. Step 6: Final answer
    x = 268,781.73

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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.