Home / 161,189.76-222,424.92-93,196.20

Finding the Fourth Proportional to 161,189.76, 222,424.92 and 93,196.20

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Solution

The fourth proportional to 161,189.76, 222,424.92 and 93,196.20 is: 128,600.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,189.76 : 222,424.92 = 93,196.20 : x
  2. Step 2: Convert to fraction form
    161,189.76/222,424.92 = 93,196.20/x
  3. Step 3: Cross multiply
    161,189.76x = 222,424.92 × 93,196.20
  4. Step 4: Simplify right side
    161,189.76x = 20,729,157,329.30
  5. Step 5: Solve for x
    x = 20,729,157,329.30/161,189.76
  6. Step 6: Final answer
    x = 128,600.96

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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.