Home / 197,539.92-272,729.70-137,091.24

Finding the Fourth Proportional to 197,539.92, 272,729.70 and 137,091.24

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Solution

The fourth proportional to 197,539.92, 272,729.70 and 137,091.24 is: 189,272.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,539.92 : 272,729.70 = 137,091.24 : x
  2. Step 2: Convert to fraction form
    197,539.92/272,729.70 = 137,091.24/x
  3. Step 3: Cross multiply
    197,539.92x = 272,729.70 × 137,091.24
  4. Step 4: Simplify right side
    197,539.92x = 37,388,852,757.83
  5. Step 5: Solve for x
    x = 37,388,852,757.83/197,539.92
  6. Step 6: Final answer
    x = 189,272.39

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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.