Home / 197,464.98-272,390.94-121,021.13

Finding the Fourth Proportional to 197,464.98, 272,390.94 and 121,021.13

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Solution

The fourth proportional to 197,464.98, 272,390.94 and 121,021.13 is: 166,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,464.98 : 272,390.94 = 121,021.13 : x
  2. Step 2: Convert to fraction form
    197,464.98/272,390.94 = 121,021.13/x
  3. Step 3: Cross multiply
    197,464.98x = 272,390.94 × 121,021.13
  4. Step 4: Simplify right side
    197,464.98x = 32,965,057,998.61
  5. Step 5: Solve for x
    x = 32,965,057,998.61/197,464.98
  6. Step 6: Final answer
    x = 166,941.29

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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.