Home / 205,037.57-307,520.89-92,691.66

Finding the Fourth Proportional to 205,037.57, 307,520.89 and 92,691.66

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Solution

The fourth proportional to 205,037.57, 307,520.89 and 92,691.66 is: 139,021.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,037.57 : 307,520.89 = 92,691.66 : x
  2. Step 2: Convert to fraction form
    205,037.57/307,520.89 = 92,691.66/x
  3. Step 3: Cross multiply
    205,037.57x = 307,520.89 × 92,691.66
  4. Step 4: Simplify right side
    205,037.57x = 28,504,621,009.98
  5. Step 5: Solve for x
    x = 28,504,621,009.98/205,037.57
  6. Step 6: Final answer
    x = 139,021.45

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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.