Home / 197,540.92-272,731.08-137,092.24

Finding the Fourth Proportional to 197,540.92, 272,731.08 and 137,092.24

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Solution

The fourth proportional to 197,540.92, 272,731.08 and 137,092.24 is: 189,273.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,540.92 : 272,731.08 = 137,092.24 : x
  2. Step 2: Convert to fraction form
    197,540.92/272,731.08 = 137,092.24/x
  3. Step 3: Cross multiply
    197,540.92x = 272,731.08 × 137,092.24
  4. Step 4: Simplify right side
    197,540.92x = 37,389,314,674.82
  5. Step 5: Solve for x
    x = 37,389,314,674.82/197,540.92
  6. Step 6: Final answer
    x = 189,273.77

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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.