Home / 116,481.15-160,687.13-74,053.35

Finding the Fourth Proportional to 116,481.15, 160,687.13 and 74,053.35

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Solution

The fourth proportional to 116,481.15, 160,687.13 and 74,053.35 is: 102,157.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,481.15 : 160,687.13 = 74,053.35 : x
  2. Step 2: Convert to fraction form
    116,481.15/160,687.13 = 74,053.35/x
  3. Step 3: Cross multiply
    116,481.15x = 160,687.13 × 74,053.35
  4. Step 4: Simplify right side
    116,481.15x = 11,899,419,908.12
  5. Step 5: Solve for x
    x = 11,899,419,908.12/116,481.15
  6. Step 6: Final answer
    x = 102,157.47

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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.