Home / 116,902.36-161,316.73-65,912.46

Finding the Fourth Proportional to 116,902.36, 161,316.73 and 65,912.46

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Solution

The fourth proportional to 116,902.36, 161,316.73 and 65,912.46 is: 90,954.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,902.36 : 161,316.73 = 65,912.46 : x
  2. Step 2: Convert to fraction form
    116,902.36/161,316.73 = 65,912.46/x
  3. Step 3: Cross multiply
    116,902.36x = 161,316.73 × 65,912.46
  4. Step 4: Simplify right side
    116,902.36x = 10,632,782,513.46
  5. Step 5: Solve for x
    x = 10,632,782,513.46/116,902.36
  6. Step 6: Final answer
    x = 90,954.39

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1.5x scale

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.