Home / 179,681.82-247,928.31-111,716.70

Finding the Fourth Proportional to 179,681.82, 247,928.31 and 111,716.70

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Solution

The fourth proportional to 179,681.82, 247,928.31 and 111,716.70 is: 154,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,681.82 : 247,928.31 = 111,716.70 : x
  2. Step 2: Convert to fraction form
    179,681.82/247,928.31 = 111,716.70/x
  3. Step 3: Cross multiply
    179,681.82x = 247,928.31 × 111,716.70
  4. Step 4: Simplify right side
    179,681.82x = 27,697,732,629.78
  5. Step 5: Solve for x
    x = 27,697,732,629.78/179,681.82
  6. Step 6: Final answer
    x = 154,148.78

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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.