Home / 211,800.75-292,285.83-115,004.73

Finding the Fourth Proportional to 211,800.75, 292,285.83 and 115,004.73

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Solution

The fourth proportional to 211,800.75, 292,285.83 and 115,004.73 is: 158,706.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    211,800.75 : 292,285.83 = 115,004.73 : x
  2. Step 2: Convert to fraction form
    211,800.75/292,285.83 = 115,004.73/x
  3. Step 3: Cross multiply
    211,800.75x = 292,285.83 × 115,004.73
  4. Step 4: Simplify right side
    211,800.75x = 33,614,252,961.98
  5. Step 5: Solve for x
    x = 33,614,252,961.98/211,800.75
  6. Step 6: Final answer
    x = 158,706.96

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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.