Home / 117,991.14-176,955.66-80,544.30

Finding the Fourth Proportional to 117,991.14, 176,955.66 and 80,544.30

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Solution

The fourth proportional to 117,991.14, 176,955.66 and 80,544.30 is: 120,795.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,991.14 : 176,955.66 = 80,544.30 : x
  2. Step 2: Convert to fraction form
    117,991.14/176,955.66 = 80,544.30/x
  3. Step 3: Cross multiply
    117,991.14x = 176,955.66 × 80,544.30
  4. Step 4: Simplify right side
    117,991.14x = 14,252,769,765.74
  5. Step 5: Solve for x
    x = 14,252,769,765.74/117,991.14
  6. Step 6: Final answer
    x = 120,795.25

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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.