Home / 147,200.92-220,653.72-68,370.50

Finding the Fourth Proportional to 147,200.92, 220,653.72 and 68,370.50

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Solution

The fourth proportional to 147,200.92, 220,653.72 and 68,370.50 is: 102,487.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,200.92 : 220,653.72 = 68,370.50 : x
  2. Step 2: Convert to fraction form
    147,200.92/220,653.72 = 68,370.50/x
  3. Step 3: Cross multiply
    147,200.92x = 220,653.72 × 68,370.50
  4. Step 4: Simplify right side
    147,200.92x = 15,086,205,163.26
  5. Step 5: Solve for x
    x = 15,086,205,163.26/147,200.92
  6. Step 6: Final answer
    x = 102,487.17

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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.