Home / 156,190.71-215,518.82-92,518.23

Finding the Fourth Proportional to 156,190.71, 215,518.82 and 92,518.23

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Solution

The fourth proportional to 156,190.71, 215,518.82 and 92,518.23 is: 127,660.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,190.71 : 215,518.82 = 92,518.23 : x
  2. Step 2: Convert to fraction form
    156,190.71/215,518.82 = 92,518.23/x
  3. Step 3: Cross multiply
    156,190.71x = 215,518.82 × 92,518.23
  4. Step 4: Simplify right side
    156,190.71x = 19,939,419,295.50
  5. Step 5: Solve for x
    x = 19,939,419,295.50/156,190.71
  6. Step 6: Final answer
    x = 127,660.73

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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.