Home / 197,814.37-272,983.90-107,170.96

Finding the Fourth Proportional to 197,814.37, 272,983.90 and 107,170.96

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Solution

The fourth proportional to 197,814.37, 272,983.90 and 107,170.96 is: 147,895.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,814.37 : 272,983.90 = 107,170.96 : x
  2. Step 2: Convert to fraction form
    197,814.37/272,983.90 = 107,170.96/x
  3. Step 3: Cross multiply
    197,814.37x = 272,983.90 × 107,170.96
  4. Step 4: Simplify right side
    197,814.37x = 29,255,946,627.54
  5. Step 5: Solve for x
    x = 29,255,946,627.54/197,814.37
  6. Step 6: Final answer
    x = 147,895.96

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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.