Home / 161,072.64-222,264-94,043.52

Finding the Fourth Proportional to 161,072.64, 222,264 and 94,043.52

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Solution

The fourth proportional to 161,072.64, 222,264 and 94,043.52 is: 129,770.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,072.64 : 222,264 = 94,043.52 : x
  2. Step 2: Convert to fraction form
    161,072.64/222,264 = 94,043.52/x
  3. Step 3: Cross multiply
    161,072.64x = 222,264 × 94,043.52
  4. Step 4: Simplify right side
    161,072.64x = 20,902,488,929.28
  5. Step 5: Solve for x
    x = 20,902,488,929.28/161,072.64
  6. Step 6: Final answer
    x = 129,770.57

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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.