Home / 197,342.07-272,456.57-136,891.56

Finding the Fourth Proportional to 197,342.07, 272,456.57 and 136,891.56

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Solution

The fourth proportional to 197,342.07, 272,456.57 and 136,891.56 is: 188,996.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,342.07 : 272,456.57 = 136,891.56 : x
  2. Step 2: Convert to fraction form
    197,342.07/272,456.57 = 136,891.56/x
  3. Step 3: Cross multiply
    197,342.07x = 272,456.57 × 136,891.56
  4. Step 4: Simplify right side
    197,342.07x = 37,297,004,899.55
  5. Step 5: Solve for x
    x = 37,297,004,899.55/197,342.07
  6. Step 6: Final answer
    x = 188,996.72

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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.