Home / 194,812.80-268,749.36-126,804.96

Finding the Fourth Proportional to 194,812.80, 268,749.36 and 126,804.96

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Solution

The fourth proportional to 194,812.80, 268,749.36 and 126,804.96 is: 174,930.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,812.80 : 268,749.36 = 126,804.96 : x
  2. Step 2: Convert to fraction form
    194,812.80/268,749.36 = 126,804.96/x
  3. Step 3: Cross multiply
    194,812.80x = 268,749.36 × 126,804.96
  4. Step 4: Simplify right side
    194,812.80x = 34,078,751,844.83
  5. Step 5: Solve for x
    x = 34,078,751,844.83/194,812.80
  6. Step 6: Final answer
    x = 174,930.77

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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.