Home / 197,456.41-272,206.43-140,769.37

Finding the Fourth Proportional to 197,456.41, 272,206.43 and 140,769.37

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Solution

The fourth proportional to 197,456.41, 272,206.43 and 140,769.37 is: 194,059.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,456.41 : 272,206.43 = 140,769.37 : x
  2. Step 2: Convert to fraction form
    197,456.41/272,206.43 = 140,769.37/x
  3. Step 3: Cross multiply
    197,456.41x = 272,206.43 × 140,769.37
  4. Step 4: Simplify right side
    197,456.41x = 38,318,326,957.20
  5. Step 5: Solve for x
    x = 38,318,326,957.20/197,456.41
  6. Step 6: Final answer
    x = 194,059.68

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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.