Home / 147,217.83-220,826.82-47,378.01

Finding the Fourth Proportional to 147,217.83, 220,826.82 and 47,378.01

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Solution

The fourth proportional to 147,217.83, 220,826.82 and 47,378.01 is: 71,067.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,217.83 : 220,826.82 = 47,378.01 : x
  2. Step 2: Convert to fraction form
    147,217.83/220,826.82 = 47,378.01/x
  3. Step 3: Cross multiply
    147,217.83x = 220,826.82 × 47,378.01
  4. Step 4: Simplify right side
    147,217.83x = 10,462,335,286.23
  5. Step 5: Solve for x
    x = 10,462,335,286.23/147,217.83
  6. Step 6: Final answer
    x = 71,067.04

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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.