Home / 197,655.94-272,654.53-117,004.87

Finding the Fourth Proportional to 197,655.94, 272,654.53 and 117,004.87

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Solution

The fourth proportional to 197,655.94, 272,654.53 and 117,004.87 is: 161,401.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,655.94 : 272,654.53 = 117,004.87 : x
  2. Step 2: Convert to fraction form
    197,655.94/272,654.53 = 117,004.87/x
  3. Step 3: Cross multiply
    197,655.94x = 272,654.53 × 117,004.87
  4. Step 4: Simplify right side
    197,655.94x = 31,901,907,837.56
  5. Step 5: Solve for x
    x = 31,901,907,837.56/197,655.94
  6. Step 6: Final answer
    x = 161,401.21

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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.