Home / 104,691.24-156,673.98-100,336.68

Finding the Fourth Proportional to 104,691.24, 156,673.98 and 100,336.68

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Solution

The fourth proportional to 104,691.24, 156,673.98 and 100,336.68 is: 150,157.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,691.24 : 156,673.98 = 100,336.68 : x
  2. Step 2: Convert to fraction form
    104,691.24/156,673.98 = 100,336.68/x
  3. Step 3: Cross multiply
    104,691.24x = 156,673.98 × 100,336.68
  4. Step 4: Simplify right side
    104,691.24x = 15,720,146,995.59
  5. Step 5: Solve for x
    x = 15,720,146,995.59/104,691.24
  6. Step 6: Final answer
    x = 150,157.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.