Home / 168,778.62-253,073.16-56,399.63

Finding the Fourth Proportional to 168,778.62, 253,073.16 and 56,399.63

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Solution

The fourth proportional to 168,778.62, 253,073.16 and 56,399.63 is: 84,567.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,778.62 : 253,073.16 = 56,399.63 : x
  2. Step 2: Convert to fraction form
    168,778.62/253,073.16 = 56,399.63/x
  3. Step 3: Cross multiply
    168,778.62x = 253,073.16 × 56,399.63
  4. Step 4: Simplify right side
    168,778.62x = 14,273,231,321.57
  5. Step 5: Solve for x
    x = 14,273,231,321.57/168,778.62
  6. Step 6: Final answer
    x = 84,567.77

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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.