Home / 105,986.20-146,257.98-58,239.52

Finding the Fourth Proportional to 105,986.20, 146,257.98 and 58,239.52

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Solution

The fourth proportional to 105,986.20, 146,257.98 and 58,239.52 is: 80,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,986.20 : 146,257.98 = 58,239.52 : x
  2. Step 2: Convert to fraction form
    105,986.20/146,257.98 = 58,239.52/x
  3. Step 3: Cross multiply
    105,986.20x = 146,257.98 × 58,239.52
  4. Step 4: Simplify right side
    105,986.20x = 8,517,994,551.37
  5. Step 5: Solve for x
    x = 8,517,994,551.37/105,986.20
  6. Step 6: Final answer
    x = 80,368.90

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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.