Home / 168,046.16-251,976.24-66,741.57

Finding the Fourth Proportional to 168,046.16, 251,976.24 and 66,741.57

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Solution

The fourth proportional to 168,046.16, 251,976.24 and 66,741.57 is: 100,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,046.16 : 251,976.24 = 66,741.57 : x
  2. Step 2: Convert to fraction form
    168,046.16/251,976.24 = 66,741.57/x
  3. Step 3: Cross multiply
    168,046.16x = 251,976.24 × 66,741.57
  4. Step 4: Simplify right side
    168,046.16x = 16,817,289,860.30
  5. Step 5: Solve for x
    x = 16,817,289,860.30/168,046.16
  6. Step 6: Final answer
    x = 100,075.42

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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.