Home / 116,795.70-161,010.10-83,203.38

Finding the Fourth Proportional to 116,795.70, 161,010.10 and 83,203.38

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Solution

The fourth proportional to 116,795.70, 161,010.10 and 83,203.38 is: 114,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,795.70 : 161,010.10 = 83,203.38 : x
  2. Step 2: Convert to fraction form
    116,795.70/161,010.10 = 83,203.38/x
  3. Step 3: Cross multiply
    116,795.70x = 161,010.10 × 83,203.38
  4. Step 4: Simplify right side
    116,795.70x = 13,396,584,534.14
  5. Step 5: Solve for x
    x = 13,396,584,534.14/116,795.70
  6. Step 6: Final answer
    x = 114,701.01

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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.