Home / 161,252.32-222,546.56-89,639.40

Finding the Fourth Proportional to 161,252.32, 222,546.56 and 89,639.40

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Solution

The fourth proportional to 161,252.32, 222,546.56 and 89,639.40 is: 123,712.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,252.32 : 222,546.56 = 89,639.40 : x
  2. Step 2: Convert to fraction form
    161,252.32/222,546.56 = 89,639.40/x
  3. Step 3: Cross multiply
    161,252.32x = 222,546.56 × 89,639.40
  4. Step 4: Simplify right side
    161,252.32x = 19,948,940,110.46
  5. Step 5: Solve for x
    x = 19,948,940,110.46/161,252.32
  6. Step 6: Final answer
    x = 123,712.58

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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.