Home / 167,831.28-251,713.44-107,681.76

Finding the Fourth Proportional to 167,831.28, 251,713.44 and 107,681.76

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Solution

The fourth proportional to 167,831.28, 251,713.44 and 107,681.76 is: 161,501.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,831.28 : 251,713.44 = 107,681.76 : x
  2. Step 2: Convert to fraction form
    167,831.28/251,713.44 = 107,681.76/x
  3. Step 3: Cross multiply
    167,831.28x = 251,713.44 × 107,681.76
  4. Step 4: Simplify right side
    167,831.28x = 27,104,946,234.85
  5. Step 5: Solve for x
    x = 27,104,946,234.85/167,831.28
  6. Step 6: Final answer
    x = 161,501.16

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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.