Home / 147,204.20-220,838.88-53,709.68

Finding the Fourth Proportional to 147,204.20, 220,838.88 and 53,709.68

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Solution

The fourth proportional to 147,204.20, 220,838.88 and 53,709.68 is: 80,576.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,204.20 : 220,838.88 = 53,709.68 : x
  2. Step 2: Convert to fraction form
    147,204.20/220,838.88 = 53,709.68/x
  3. Step 3: Cross multiply
    147,204.20x = 220,838.88 × 53,709.68
  4. Step 4: Simplify right side
    147,204.20x = 11,861,185,576.36
  5. Step 5: Solve for x
    x = 11,861,185,576.36/147,204.20
  6. Step 6: Final answer
    x = 80,576.41

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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.