Home / 167,712.48-251,515.35-55,371.78

Finding the Fourth Proportional to 167,712.48, 251,515.35 and 55,371.78

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Solution

The fourth proportional to 167,712.48, 251,515.35 and 55,371.78 is: 83,040.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,712.48 : 251,515.35 = 55,371.78 : x
  2. Step 2: Convert to fraction form
    167,712.48/251,515.35 = 55,371.78/x
  3. Step 3: Cross multiply
    167,712.48x = 251,515.35 × 55,371.78
  4. Step 4: Simplify right side
    167,712.48x = 13,926,852,626.82
  5. Step 5: Solve for x
    x = 13,926,852,626.82/167,712.48
  6. Step 6: Final answer
    x = 83,040.05

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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.