Home / 161,733.94-223,194.36-89,139.44

Finding the Fourth Proportional to 161,733.94, 223,194.36 and 89,139.44

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Solution

The fourth proportional to 161,733.94, 223,194.36 and 89,139.44 is: 123,013.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,733.94 : 223,194.36 = 89,139.44 : x
  2. Step 2: Convert to fraction form
    161,733.94/223,194.36 = 89,139.44/x
  3. Step 3: Cross multiply
    161,733.94x = 223,194.36 × 89,139.44
  4. Step 4: Simplify right side
    161,733.94x = 19,895,419,647.64
  5. Step 5: Solve for x
    x = 19,895,419,647.64/161,733.94
  6. Step 6: Final answer
    x = 123,013.26

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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.