Home / 197,119.34-272,034.75-120,614.43

Finding the Fourth Proportional to 197,119.34, 272,034.75 and 120,614.43

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Solution

The fourth proportional to 197,119.34, 272,034.75 and 120,614.43 is: 166,454.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,119.34 : 272,034.75 = 120,614.43 : x
  2. Step 2: Convert to fraction form
    197,119.34/272,034.75 = 120,614.43/x
  3. Step 3: Cross multiply
    197,119.34x = 272,034.75 × 120,614.43
  4. Step 4: Simplify right side
    197,119.34x = 32,811,316,311.44
  5. Step 5: Solve for x
    x = 32,811,316,311.44/197,119.34
  6. Step 6: Final answer
    x = 166,454.07

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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.