Home / 117,481.81-176,000.77-91,057.18

Finding the Fourth Proportional to 117,481.81, 176,000.77 and 91,057.18

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Solution

The fourth proportional to 117,481.81, 176,000.77 and 91,057.18 is: 136,413.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,481.81 : 176,000.77 = 91,057.18 : x
  2. Step 2: Convert to fraction form
    117,481.81/176,000.77 = 91,057.18/x
  3. Step 3: Cross multiply
    117,481.81x = 176,000.77 × 91,057.18
  4. Step 4: Simplify right side
    117,481.81x = 16,026,133,794.03
  5. Step 5: Solve for x
    x = 16,026,133,794.03/117,481.81
  6. Step 6: Final answer
    x = 136,413.75

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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.