Home / 116,736.03-161,096.37-66,435.03

Finding the Fourth Proportional to 116,736.03, 161,096.37 and 66,435.03

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Solution

The fourth proportional to 116,736.03, 161,096.37 and 66,435.03 is: 91,680.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,736.03 : 161,096.37 = 66,435.03 : x
  2. Step 2: Convert to fraction form
    116,736.03/161,096.37 = 66,435.03/x
  3. Step 3: Cross multiply
    116,736.03x = 161,096.37 × 66,435.03
  4. Step 4: Simplify right side
    116,736.03x = 10,702,442,173.84
  5. Step 5: Solve for x
    x = 10,702,442,173.84/116,736.03
  6. Step 6: Final answer
    x = 91,680.71

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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.