Home / 167,831.52-251,687.31-55,491

Finding the Fourth Proportional to 167,831.52, 251,687.31 and 55,491

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Solution

The fourth proportional to 167,831.52, 251,687.31 and 55,491 is: 83,216.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,831.52 : 251,687.31 = 55,491 : x
  2. Step 2: Convert to fraction form
    167,831.52/251,687.31 = 55,491/x
  3. Step 3: Cross multiply
    167,831.52x = 251,687.31 × 55,491
  4. Step 4: Simplify right side
    167,831.52x = 13,966,380,519.21
  5. Step 5: Solve for x
    x = 13,966,380,519.21/167,831.52
  6. Step 6: Final answer
    x = 83,216.67

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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.