Home / 105,919.52-146,171.36-58,176

Finding the Fourth Proportional to 105,919.52, 146,171.36 and 58,176

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Solution

The fourth proportional to 105,919.52, 146,171.36 and 58,176 is: 80,284.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,919.52 : 146,171.36 = 58,176 : x
  2. Step 2: Convert to fraction form
    105,919.52/146,171.36 = 58,176/x
  3. Step 3: Cross multiply
    105,919.52x = 146,171.36 × 58,176
  4. Step 4: Simplify right side
    105,919.52x = 8,503,665,039.36
  5. Step 5: Solve for x
    x = 8,503,665,039.36/105,919.52
  6. Step 6: Final answer
    x = 80,284.21

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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.