Home / 177,231.31-265,739.86-70,631.66

Finding the Fourth Proportional to 177,231.31, 265,739.86 and 70,631.66

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Solution

The fourth proportional to 177,231.31, 265,739.86 and 70,631.66 is: 105,904.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,231.31 : 265,739.86 = 70,631.66 : x
  2. Step 2: Convert to fraction form
    177,231.31/265,739.86 = 70,631.66/x
  3. Step 3: Cross multiply
    177,231.31x = 265,739.86 × 70,631.66
  4. Step 4: Simplify right side
    177,231.31x = 18,769,647,439.97
  5. Step 5: Solve for x
    x = 18,769,647,439.97/177,231.31
  6. Step 6: Final answer
    x = 105,904.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.