Home / 161,630.07-222,989.18-161,380.86

Finding the Fourth Proportional to 161,630.07, 222,989.18 and 161,380.86

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Solution

The fourth proportional to 161,630.07, 222,989.18 and 161,380.86 is: 222,645.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,630.07 : 222,989.18 = 161,380.86 : x
  2. Step 2: Convert to fraction form
    161,630.07/222,989.18 = 161,380.86/x
  3. Step 3: Cross multiply
    161,630.07x = 222,989.18 × 161,380.86
  4. Step 4: Simplify right side
    161,630.07x = 35,986,185,639.09
  5. Step 5: Solve for x
    x = 35,986,185,639.09/161,630.07
  6. Step 6: Final answer
    x = 222,645.36

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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.