Home / 123,699.03-185,400.90-67,553.25

Finding the Fourth Proportional to 123,699.03, 185,400.90 and 67,553.25

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Solution

The fourth proportional to 123,699.03, 185,400.90 and 67,553.25 is: 101,249.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,699.03 : 185,400.90 = 67,553.25 : x
  2. Step 2: Convert to fraction form
    123,699.03/185,400.90 = 67,553.25/x
  3. Step 3: Cross multiply
    123,699.03x = 185,400.90 × 67,553.25
  4. Step 4: Simplify right side
    123,699.03x = 12,524,433,347.93
  5. Step 5: Solve for x
    x = 12,524,433,347.93/123,699.03
  6. Step 6: Final answer
    x = 101,249.24

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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.