Home / 156,505.73-215,739.09-95,964.12

Finding the Fourth Proportional to 156,505.73, 215,739.09 and 95,964.12

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Solution

The fourth proportional to 156,505.73, 215,739.09 and 95,964.12 is: 132,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,505.73 : 215,739.09 = 95,964.12 : x
  2. Step 2: Convert to fraction form
    156,505.73/215,739.09 = 95,964.12/x
  3. Step 3: Cross multiply
    156,505.73x = 215,739.09 × 95,964.12
  4. Step 4: Simplify right side
    156,505.73x = 20,703,211,921.45
  5. Step 5: Solve for x
    x = 20,703,211,921.45/156,505.73
  6. Step 6: Final answer
    x = 132,284.05

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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.