Home / 204,811.96-307,356.36-71,693.52

Finding the Fourth Proportional to 204,811.96, 307,356.36 and 71,693.52

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Solution

The fourth proportional to 204,811.96, 307,356.36 and 71,693.52 is: 107,588.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,811.96 : 307,356.36 = 71,693.52 : x
  2. Step 2: Convert to fraction form
    204,811.96/307,356.36 = 71,693.52/x
  3. Step 3: Cross multiply
    204,811.96x = 307,356.36 × 71,693.52
  4. Step 4: Simplify right side
    204,811.96x = 22,035,459,342.79
  5. Step 5: Solve for x
    x = 22,035,459,342.79/204,811.96
  6. Step 6: Final answer
    x = 107,588.73

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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.