Home / 161,091.40-222,308.86-88,497.36

Finding the Fourth Proportional to 161,091.40, 222,308.86 and 88,497.36

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Solution

The fourth proportional to 161,091.40, 222,308.86 and 88,497.36 is: 122,127.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,091.40 : 222,308.86 = 88,497.36 : x
  2. Step 2: Convert to fraction form
    161,091.40/222,308.86 = 88,497.36/x
  3. Step 3: Cross multiply
    161,091.40x = 222,308.86 × 88,497.36
  4. Step 4: Simplify right side
    161,091.40x = 19,673,747,214.61
  5. Step 5: Solve for x
    x = 19,673,747,214.61/161,091.40
  6. Step 6: Final answer
    x = 122,127.86

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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.