Home / 167,451.55-231,083.41-90,970.94

Finding the Fourth Proportional to 167,451.55, 231,083.41 and 90,970.94

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Solution

The fourth proportional to 167,451.55, 231,083.41 and 90,970.94 is: 125,540.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,451.55 : 231,083.41 = 90,970.94 : x
  2. Step 2: Convert to fraction form
    167,451.55/231,083.41 = 90,970.94/x
  3. Step 3: Cross multiply
    167,451.55x = 231,083.41 × 90,970.94
  4. Step 4: Simplify right side
    167,451.55x = 21,021,875,376.39
  5. Step 5: Solve for x
    x = 21,021,875,376.39/167,451.55
  6. Step 6: Final answer
    x = 125,540.05

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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.