Home / 161,163.30-222,432.75-93,221.58

Finding the Fourth Proportional to 161,163.30, 222,432.75 and 93,221.58

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Solution

The fourth proportional to 161,163.30, 222,432.75 and 93,221.58 is: 128,661.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,163.30 : 222,432.75 = 93,221.58 : x
  2. Step 2: Convert to fraction form
    161,163.30/222,432.75 = 93,221.58/x
  3. Step 3: Cross multiply
    161,163.30x = 222,432.75 × 93,221.58
  4. Step 4: Simplify right side
    161,163.30x = 20,735,532,631.80
  5. Step 5: Solve for x
    x = 20,735,532,631.80/161,163.30
  6. Step 6: Final answer
    x = 128,661.63

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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.