Home / 116,982.15-161,435.43-63,267.17

Finding the Fourth Proportional to 116,982.15, 161,435.43 and 63,267.17

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Solution

The fourth proportional to 116,982.15, 161,435.43 and 63,267.17 is: 87,308.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,982.15 : 161,435.43 = 63,267.17 : x
  2. Step 2: Convert to fraction form
    116,982.15/161,435.43 = 63,267.17/x
  3. Step 3: Cross multiply
    116,982.15x = 161,435.43 × 63,267.17
  4. Step 4: Simplify right side
    116,982.15x = 10,213,561,986.66
  5. Step 5: Solve for x
    x = 10,213,561,986.66/116,982.15
  6. Step 6: Final answer
    x = 87,308.72

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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.