Home / 107,855.55-161,413.97-88,908.03

Finding the Fourth Proportional to 107,855.55, 161,413.97 and 88,908.03

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Solution

The fourth proportional to 107,855.55, 161,413.97 and 88,908.03 is: 133,057.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,855.55 : 161,413.97 = 88,908.03 : x
  2. Step 2: Convert to fraction form
    107,855.55/161,413.97 = 88,908.03/x
  3. Step 3: Cross multiply
    107,855.55x = 161,413.97 × 88,908.03
  4. Step 4: Simplify right side
    107,855.55x = 14,350,997,642.64
  5. Step 5: Solve for x
    x = 14,350,997,642.64/107,855.55
  6. Step 6: Final answer
    x = 133,057.57

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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.