Home / 167,554.77-251,511.22-67,780.19

Finding the Fourth Proportional to 167,554.77, 251,511.22 and 67,780.19

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Solution

The fourth proportional to 167,554.77, 251,511.22 and 67,780.19 is: 101,742.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,554.77 : 251,511.22 = 67,780.19 : x
  2. Step 2: Convert to fraction form
    167,554.77/251,511.22 = 67,780.19/x
  3. Step 3: Cross multiply
    167,554.77x = 251,511.22 × 67,780.19
  4. Step 4: Simplify right side
    167,554.77x = 17,047,477,021.18
  5. Step 5: Solve for x
    x = 17,047,477,021.18/167,554.77
  6. Step 6: Final answer
    x = 101,742.71

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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.