Home / 518,141.52-777,240.02-163,183.18

Finding the Fourth Proportional to 518,141.52, 777,240.02 and 163,183.18

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Solution

The fourth proportional to 518,141.52, 777,240.02 and 163,183.18 is: 244,783.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,141.52 : 777,240.02 = 163,183.18 : x
  2. Step 2: Convert to fraction form
    518,141.52/777,240.02 = 163,183.18/x
  3. Step 3: Cross multiply
    518,141.52x = 777,240.02 × 163,183.18
  4. Step 4: Simplify right side
    518,141.52x = 126,832,498,086.86
  5. Step 5: Solve for x
    x = 126,832,498,086.86/518,141.52
  6. Step 6: Final answer
    x = 244,783.51

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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.