Home / 161,333.40-222,645.18-89,716.44

Finding the Fourth Proportional to 161,333.40, 222,645.18 and 89,716.44

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Solution

The fourth proportional to 161,333.40, 222,645.18 and 89,716.44 is: 123,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,333.40 : 222,645.18 = 89,716.44 : x
  2. Step 2: Convert to fraction form
    161,333.40/222,645.18 = 89,716.44/x
  3. Step 3: Cross multiply
    161,333.40x = 222,645.18 × 89,716.44
  4. Step 4: Simplify right side
    161,333.40x = 19,974,932,932.76
  5. Step 5: Solve for x
    x = 19,974,932,932.76/161,333.40
  6. Step 6: Final answer
    x = 123,811.52

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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.