Home / 197,848.34-273,035.78-121,409.66

Finding the Fourth Proportional to 197,848.34, 273,035.78 and 121,409.66

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Solution

The fourth proportional to 197,848.34, 273,035.78 and 121,409.66 is: 167,548.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,848.34 : 273,035.78 = 121,409.66 : x
  2. Step 2: Convert to fraction form
    197,848.34/273,035.78 = 121,409.66/x
  3. Step 3: Cross multiply
    197,848.34x = 273,035.78 × 121,409.66
  4. Step 4: Simplify right side
    197,848.34x = 33,149,181,217.63
  5. Step 5: Solve for x
    x = 33,149,181,217.63/197,848.34
  6. Step 6: Final answer
    x = 167,548.44

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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.