Home / 161,187.48-222,440.94-89,566.20

Finding the Fourth Proportional to 161,187.48, 222,440.94 and 89,566.20

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Solution

The fourth proportional to 161,187.48, 222,440.94 and 89,566.20 is: 123,602.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,187.48 : 222,440.94 = 89,566.20 : x
  2. Step 2: Convert to fraction form
    161,187.48/222,440.94 = 89,566.20/x
  3. Step 3: Cross multiply
    161,187.48x = 222,440.94 × 89,566.20
  4. Step 4: Simplify right side
    161,187.48x = 19,923,189,720.23
  5. Step 5: Solve for x
    x = 19,923,189,720.23/161,187.48
  6. Step 6: Final answer
    x = 123,602.59

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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.