Home / 160,961.68-222,125.44-89,342.32

Finding the Fourth Proportional to 160,961.68, 222,125.44 and 89,342.32

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Solution

The fourth proportional to 160,961.68, 222,125.44 and 89,342.32 is: 123,291.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.68 : 222,125.44 = 89,342.32 : x
  2. Step 2: Convert to fraction form
    160,961.68/222,125.44 = 89,342.32/x
  3. Step 3: Cross multiply
    160,961.68x = 222,125.44 × 89,342.32
  4. Step 4: Simplify right side
    160,961.68x = 19,845,202,140.62
  5. Step 5: Solve for x
    x = 19,845,202,140.62/160,961.68
  6. Step 6: Final answer
    x = 123,291.47

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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.