Home / 197,115.34-272,019.27-106,471.30

Finding the Fourth Proportional to 197,115.34, 272,019.27 and 106,471.30

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Solution

The fourth proportional to 197,115.34, 272,019.27 and 106,471.30 is: 146,930.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,115.34 : 272,019.27 = 106,471.30 : x
  2. Step 2: Convert to fraction form
    197,115.34/272,019.27 = 106,471.30/x
  3. Step 3: Cross multiply
    197,115.34x = 272,019.27 × 106,471.30
  4. Step 4: Simplify right side
    197,115.34x = 28,962,245,331.57
  5. Step 5: Solve for x
    x = 28,962,245,331.57/197,115.34
  6. Step 6: Final answer
    x = 146,930.45

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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.