Home / 116,901.96-161,328.42-66,604.20

Finding the Fourth Proportional to 116,901.96, 161,328.42 and 66,604.20

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Solution

The fourth proportional to 116,901.96, 161,328.42 and 66,604.20 is: 91,915.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,901.96 : 161,328.42 = 66,604.20 : x
  2. Step 2: Convert to fraction form
    116,901.96/161,328.42 = 66,604.20/x
  3. Step 3: Cross multiply
    116,901.96x = 161,328.42 × 66,604.20
  4. Step 4: Simplify right side
    116,901.96x = 10,745,150,351.36
  5. Step 5: Solve for x
    x = 10,745,150,351.36/116,901.96
  6. Step 6: Final answer
    x = 91,915.91

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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.