Home / 161,127.82-222,356.28-89,514.52

Finding the Fourth Proportional to 161,127.82, 222,356.28 and 89,514.52

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Solution

The fourth proportional to 161,127.82, 222,356.28 and 89,514.52 is: 123,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,127.82 : 222,356.28 = 89,514.52 : x
  2. Step 2: Convert to fraction form
    161,127.82/222,356.28 = 89,514.52/x
  3. Step 3: Cross multiply
    161,127.82x = 222,356.28 × 89,514.52
  4. Step 4: Simplify right side
    161,127.82x = 19,904,115,673.19
  5. Step 5: Solve for x
    x = 19,904,115,673.19/161,127.82
  6. Step 6: Final answer
    x = 123,529.98

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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.