Home / 116,611.56-160,932.12-65,629.20

Finding the Fourth Proportional to 116,611.56, 160,932.12 and 65,629.20

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Solution

The fourth proportional to 116,611.56, 160,932.12 and 65,629.20 is: 90,572.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,611.56 : 160,932.12 = 65,629.20 : x
  2. Step 2: Convert to fraction form
    116,611.56/160,932.12 = 65,629.20/x
  3. Step 3: Cross multiply
    116,611.56x = 160,932.12 × 65,629.20
  4. Step 4: Simplify right side
    116,611.56x = 10,561,846,289.90
  5. Step 5: Solve for x
    x = 10,561,846,289.90/116,611.56
  6. Step 6: Final answer
    x = 90,572.89

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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.