Home / 116,824.06-161,049.36-83,231.74

Finding the Fourth Proportional to 116,824.06, 161,049.36 and 83,231.74

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Solution

The fourth proportional to 116,824.06, 161,049.36 and 83,231.74 is: 114,740.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,824.06 : 161,049.36 = 83,231.74 : x
  2. Step 2: Convert to fraction form
    116,824.06/161,049.36 = 83,231.74/x
  3. Step 3: Cross multiply
    116,824.06x = 161,049.36 × 83,231.74
  4. Step 4: Simplify right side
    116,824.06x = 13,404,418,458.69
  5. Step 5: Solve for x
    x = 13,404,418,458.69/116,824.06
  6. Step 6: Final answer
    x = 114,740.22

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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.