Home / 167,681.22-251,522.37-105,220.50

Finding the Fourth Proportional to 167,681.22, 251,522.37 and 105,220.50

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Solution

The fourth proportional to 167,681.22, 251,522.37 and 105,220.50 is: 157,831.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,681.22 : 251,522.37 = 105,220.50 : x
  2. Step 2: Convert to fraction form
    167,681.22/251,522.37 = 105,220.50/x
  3. Step 3: Cross multiply
    167,681.22x = 251,522.37 × 105,220.50
  4. Step 4: Simplify right side
    167,681.22x = 26,465,309,532.59
  5. Step 5: Solve for x
    x = 26,465,309,532.59/167,681.22
  6. Step 6: Final answer
    x = 157,831.09

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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.