Home / 116,921.37-161,350.50-63,205.92

Finding the Fourth Proportional to 116,921.37, 161,350.50 and 63,205.92

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Solution

The fourth proportional to 116,921.37, 161,350.50 and 63,205.92 is: 87,223.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,921.37 : 161,350.50 = 63,205.92 : x
  2. Step 2: Convert to fraction form
    116,921.37/161,350.50 = 63,205.92/x
  3. Step 3: Cross multiply
    116,921.37x = 161,350.50 × 63,205.92
  4. Step 4: Simplify right side
    116,921.37x = 10,198,306,794.96
  5. Step 5: Solve for x
    x = 10,198,306,794.96/116,921.37
  6. Step 6: Final answer
    x = 87,223.63

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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.