Home / 161,146.32-222,371.64-89,525.04

Finding the Fourth Proportional to 161,146.32, 222,371.64 and 89,525.04

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Solution

The fourth proportional to 161,146.32, 222,371.64 and 89,525.04 is: 123,538.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,146.32 : 222,371.64 = 89,525.04 : x
  2. Step 2: Convert to fraction form
    161,146.32/222,371.64 = 89,525.04/x
  3. Step 3: Cross multiply
    161,146.32x = 222,371.64 × 89,525.04
  4. Step 4: Simplify right side
    161,146.32x = 19,907,829,965.87
  5. Step 5: Solve for x
    x = 19,907,829,965.87/161,146.32
  6. Step 6: Final answer
    x = 123,538.84

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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.