Home / 156,189.96-215,517.78-92,517.48

Finding the Fourth Proportional to 156,189.96, 215,517.78 and 92,517.48

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Solution

The fourth proportional to 156,189.96, 215,517.78 and 92,517.48 is: 127,659.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,189.96 : 215,517.78 = 92,517.48 : x
  2. Step 2: Convert to fraction form
    156,189.96/215,517.78 = 92,517.48/x
  3. Step 3: Cross multiply
    156,189.96x = 215,517.78 × 92,517.48
  4. Step 4: Simplify right side
    156,189.96x = 19,939,161,900.79
  5. Step 5: Solve for x
    x = 19,939,161,900.79/156,189.96
  6. Step 6: Final answer
    x = 127,659.69

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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.