Home / 167,622.74-251,409.50-67,780.72

Finding the Fourth Proportional to 167,622.74, 251,409.50 and 67,780.72

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Solution

The fourth proportional to 167,622.74, 251,409.50 and 67,780.72 is: 101,661.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,622.74 : 251,409.50 = 67,780.72 : x
  2. Step 2: Convert to fraction form
    167,622.74/251,409.50 = 67,780.72/x
  3. Step 3: Cross multiply
    167,622.74x = 251,409.50 × 67,780.72
  4. Step 4: Simplify right side
    167,622.74x = 17,040,716,924.84
  5. Step 5: Solve for x
    x = 17,040,716,924.84/167,622.74
  6. Step 6: Final answer
    x = 101,661.13

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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.