Home / 147,095.80-220,568.82-72,221.56

Finding the Fourth Proportional to 147,095.80, 220,568.82 and 72,221.56

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Solution

The fourth proportional to 147,095.80, 220,568.82 and 72,221.56 is: 108,295.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,095.80 : 220,568.82 = 72,221.56 : x
  2. Step 2: Convert to fraction form
    147,095.80/220,568.82 = 72,221.56/x
  3. Step 3: Cross multiply
    147,095.80x = 220,568.82 × 72,221.56
  4. Step 4: Simplify right side
    147,095.80x = 15,929,824,267.76
  5. Step 5: Solve for x
    x = 15,929,824,267.76/147,095.80
  6. Step 6: Final answer
    x = 108,295.58

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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.