Home / 156,940.20-216,578.34-92,412.23

Finding the Fourth Proportional to 156,940.20, 216,578.34 and 92,412.23

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Solution

The fourth proportional to 156,940.20, 216,578.34 and 92,412.23 is: 127,529.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    156,940.20 : 216,578.34 = 92,412.23 : x
  2. Step 2: Convert to fraction form
    156,940.20/216,578.34 = 92,412.23/x
  3. Step 3: Cross multiply
    156,940.20x = 216,578.34 × 92,412.23
  4. Step 4: Simplify right side
    156,940.20x = 20,014,486,286.21
  5. Step 5: Solve for x
    x = 20,014,486,286.21/156,940.20
  6. Step 6: Final answer
    x = 127,529.38

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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.