Home / 160,961.56-222,116.52-89,341.60

Finding the Fourth Proportional to 160,961.56, 222,116.52 and 89,341.60

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Solution

The fourth proportional to 160,961.56, 222,116.52 and 89,341.60 is: 123,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,961.56 : 222,116.52 = 89,341.60 : x
  2. Step 2: Convert to fraction form
    160,961.56/222,116.52 = 89,341.60/x
  3. Step 3: Cross multiply
    160,961.56x = 222,116.52 × 89,341.60
  4. Step 4: Simplify right side
    160,961.56x = 19,844,245,283.23
  5. Step 5: Solve for x
    x = 19,844,245,283.23/160,961.56
  6. Step 6: Final answer
    x = 123,285.62

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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.