Home / 167,550.68-251,408.02-78,813.12

Finding the Fourth Proportional to 167,550.68, 251,408.02 and 78,813.12

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Solution

The fourth proportional to 167,550.68, 251,408.02 and 78,813.12 is: 118,258.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,550.68 : 251,408.02 = 78,813.12 : x
  2. Step 2: Convert to fraction form
    167,550.68/251,408.02 = 78,813.12/x
  3. Step 3: Cross multiply
    167,550.68x = 251,408.02 × 78,813.12
  4. Step 4: Simplify right side
    167,550.68x = 19,814,250,449.22
  5. Step 5: Solve for x
    x = 19,814,250,449.22/167,550.68
  6. Step 6: Final answer
    x = 118,258.25

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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.