Home / 167,671.45-251,453.85-55,330.72

Finding the Fourth Proportional to 167,671.45, 251,453.85 and 55,330.72

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Solution

The fourth proportional to 167,671.45, 251,453.85 and 55,330.72 is: 82,978.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,671.45 : 251,453.85 = 55,330.72 : x
  2. Step 2: Convert to fraction form
    167,671.45/251,453.85 = 55,330.72/x
  3. Step 3: Cross multiply
    167,671.45x = 251,453.85 × 55,330.72
  4. Step 4: Simplify right side
    167,671.45x = 13,913,122,567.27
  5. Step 5: Solve for x
    x = 13,913,122,567.27/167,671.45
  6. Step 6: Final answer
    x = 82,978.48

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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.