Home / 161,193.02-222,441.93-89,571.20

Finding the Fourth Proportional to 161,193.02, 222,441.93 and 89,571.20

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Solution

The fourth proportional to 161,193.02, 222,441.93 and 89,571.20 is: 123,605.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,193.02 : 222,441.93 = 89,571.20 : x
  2. Step 2: Convert to fraction form
    161,193.02/222,441.93 = 89,571.20/x
  3. Step 3: Cross multiply
    161,193.02x = 222,441.93 × 89,571.20
  4. Step 4: Simplify right side
    161,193.02x = 19,924,390,600.42
  5. Step 5: Solve for x
    x = 19,924,390,600.42/161,193.02
  6. Step 6: Final answer
    x = 123,605.79

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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.