Home / 223,494.17-308,413.44-121,519.70

Finding the Fourth Proportional to 223,494.17, 308,413.44 and 121,519.70

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Solution

The fourth proportional to 223,494.17, 308,413.44 and 121,519.70 is: 167,692.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,494.17 : 308,413.44 = 121,519.70 : x
  2. Step 2: Convert to fraction form
    223,494.17/308,413.44 = 121,519.70/x
  3. Step 3: Cross multiply
    223,494.17x = 308,413.44 × 121,519.70
  4. Step 4: Simplify right side
    223,494.17x = 37,478,309,475.80
  5. Step 5: Solve for x
    x = 37,478,309,475.80/223,494.17
  6. Step 6: Final answer
    x = 167,692.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.