Home / 197,500.40-272,474.44-137,040.79

Finding the Fourth Proportional to 197,500.40, 272,474.44 and 137,040.79

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Solution

The fourth proportional to 197,500.40, 272,474.44 and 137,040.79 is: 189,063.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,500.40 : 272,474.44 = 137,040.79 : x
  2. Step 2: Convert to fraction form
    197,500.40/272,474.44 = 137,040.79/x
  3. Step 3: Cross multiply
    197,500.40x = 272,474.44 × 137,040.79
  4. Step 4: Simplify right side
    197,500.40x = 37,340,112,512.41
  5. Step 5: Solve for x
    x = 37,340,112,512.41/197,500.40
  6. Step 6: Final answer
    x = 189,063.48

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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.