Home / 161,099.54-222,317.37-89,486.22

Finding the Fourth Proportional to 161,099.54, 222,317.37 and 89,486.22

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Solution

The fourth proportional to 161,099.54, 222,317.37 and 89,486.22 is: 123,490.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,099.54 : 222,317.37 = 89,486.22 : x
  2. Step 2: Convert to fraction form
    161,099.54/222,317.37 = 89,486.22/x
  3. Step 3: Cross multiply
    161,099.54x = 222,317.37 × 89,486.22
  4. Step 4: Simplify right side
    161,099.54x = 19,894,341,081.64
  5. Step 5: Solve for x
    x = 19,894,341,081.64/161,099.54
  6. Step 6: Final answer
    x = 123,490.99

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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.