Home / 105,511.92-146,352.66-101,730.48

Finding the Fourth Proportional to 105,511.92, 146,352.66 and 101,730.48

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Solution

The fourth proportional to 105,511.92, 146,352.66 and 101,730.48 is: 141,107.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,511.92 : 146,352.66 = 101,730.48 : x
  2. Step 2: Convert to fraction form
    105,511.92/146,352.66 = 101,730.48/x
  3. Step 3: Cross multiply
    105,511.92x = 146,352.66 × 101,730.48
  4. Step 4: Simplify right side
    105,511.92x = 14,888,526,351.08
  5. Step 5: Solve for x
    x = 14,888,526,351.08/105,511.92
  6. Step 6: Final answer
    x = 141,107.53

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.