Home / 197,437.72-272,463-106,793.56

Finding the Fourth Proportional to 197,437.72, 272,463 and 106,793.56

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Solution

The fourth proportional to 197,437.72, 272,463 and 106,793.56 is: 147,374.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,437.72 : 272,463 = 106,793.56 : x
  2. Step 2: Convert to fraction form
    197,437.72/272,463 = 106,793.56/x
  3. Step 3: Cross multiply
    197,437.72x = 272,463 × 106,793.56
  4. Step 4: Simplify right side
    197,437.72x = 29,097,293,738.28
  5. Step 5: Solve for x
    x = 29,097,293,738.28/197,437.72
  6. Step 6: Final answer
    x = 147,374.54

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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.