Home / 116,822.62-161,191.02-74,365.66

Finding the Fourth Proportional to 116,822.62, 161,191.02 and 74,365.66

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Solution

The fourth proportional to 116,822.62, 161,191.02 and 74,365.66 is: 102,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,822.62 : 161,191.02 = 74,365.66 : x
  2. Step 2: Convert to fraction form
    116,822.62/161,191.02 = 74,365.66/x
  3. Step 3: Cross multiply
    116,822.62x = 161,191.02 × 74,365.66
  4. Step 4: Simplify right side
    116,822.62x = 11,987,076,588.37
  5. Step 5: Solve for x
    x = 11,987,076,588.37/116,822.62
  6. Step 6: Final answer
    x = 102,609.21

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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.