Home / 168,209.16-251,963.82-79,533.60

Finding the Fourth Proportional to 168,209.16, 251,963.82 and 79,533.60

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Solution

The fourth proportional to 168,209.16, 251,963.82 and 79,533.60 is: 119,134.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,209.16 : 251,963.82 = 79,533.60 : x
  2. Step 2: Convert to fraction form
    168,209.16/251,963.82 = 79,533.60/x
  3. Step 3: Cross multiply
    168,209.16x = 251,963.82 × 79,533.60
  4. Step 4: Simplify right side
    168,209.16x = 20,039,589,674.35
  5. Step 5: Solve for x
    x = 20,039,589,674.35/168,209.16
  6. Step 6: Final answer
    x = 119,134.95

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1.5x scale

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.