Home / 161,189.02-222,436.41-89,567.20

Finding the Fourth Proportional to 161,189.02, 222,436.41 and 89,567.20

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Solution

The fourth proportional to 161,189.02, 222,436.41 and 89,567.20 is: 123,600.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,189.02 : 222,436.41 = 89,567.20 : x
  2. Step 2: Convert to fraction form
    161,189.02/222,436.41 = 89,567.20/x
  3. Step 3: Cross multiply
    161,189.02x = 222,436.41 × 89,567.20
  4. Step 4: Simplify right side
    161,189.02x = 19,923,005,309.57
  5. Step 5: Solve for x
    x = 19,923,005,309.57/161,189.02
  6. Step 6: Final answer
    x = 123,600.27

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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.