Home / 167,682.95-231,400.17-91,200.39

Finding the Fourth Proportional to 167,682.95, 231,400.17 and 91,200.39

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Solution

The fourth proportional to 167,682.95, 231,400.17 and 91,200.39 is: 125,855.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,682.95 : 231,400.17 = 91,200.39 : x
  2. Step 2: Convert to fraction form
    167,682.95/231,400.17 = 91,200.39/x
  3. Step 3: Cross multiply
    167,682.95x = 231,400.17 × 91,200.39
  4. Step 4: Simplify right side
    167,682.95x = 21,103,785,750.07
  5. Step 5: Solve for x
    x = 21,103,785,750.07/167,682.95
  6. Step 6: Final answer
    x = 125,855.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.