Home / 147,358.37-221,080.69-47,516.56

Finding the Fourth Proportional to 147,358.37, 221,080.69 and 47,516.56

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Solution

The fourth proportional to 147,358.37, 221,080.69 and 47,516.56 is: 71,288.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,358.37 : 221,080.69 = 47,516.56 : x
  2. Step 2: Convert to fraction form
    147,358.37/221,080.69 = 47,516.56/x
  3. Step 3: Cross multiply
    147,358.37x = 221,080.69 × 47,516.56
  4. Step 4: Simplify right side
    147,358.37x = 10,504,993,377.92
  5. Step 5: Solve for x
    x = 10,504,993,377.92/147,358.37
  6. Step 6: Final answer
    x = 71,288.74

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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.