Home / 161,202.15-222,454.53-89,580.33

Finding the Fourth Proportional to 161,202.15, 222,454.53 and 89,580.33

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Solution

The fourth proportional to 161,202.15, 222,454.53 and 89,580.33 is: 123,618.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,202.15 : 222,454.53 = 89,580.33 : x
  2. Step 2: Convert to fraction form
    161,202.15/222,454.53 = 89,580.33/x
  3. Step 3: Cross multiply
    161,202.15x = 222,454.53 × 89,580.33
  4. Step 4: Simplify right side
    161,202.15x = 19,927,550,207.39
  5. Step 5: Solve for x
    x = 19,927,550,207.39/161,202.15
  6. Step 6: Final answer
    x = 123,618.39

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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.