Home / 147,834.42-221,760.54-100,429.44

Finding the Fourth Proportional to 147,834.42, 221,760.54 and 100,429.44

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Solution

The fourth proportional to 147,834.42, 221,760.54 and 100,429.44 is: 150,650.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,834.42 : 221,760.54 = 100,429.44 : x
  2. Step 2: Convert to fraction form
    147,834.42/221,760.54 = 100,429.44/x
  3. Step 3: Cross multiply
    147,834.42x = 221,760.54 × 100,429.44
  4. Step 4: Simplify right side
    147,834.42x = 22,271,286,846.30
  5. Step 5: Solve for x
    x = 22,271,286,846.30/147,834.42
  6. Step 6: Final answer
    x = 150,650.21

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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.