Home / 136,145.62-204,246.11-47,406.04

Finding the Fourth Proportional to 136,145.62, 204,246.11 and 47,406.04

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Solution

The fourth proportional to 136,145.62, 204,246.11 and 47,406.04 is: 71,118.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,145.62 : 204,246.11 = 47,406.04 : x
  2. Step 2: Convert to fraction form
    136,145.62/204,246.11 = 47,406.04/x
  3. Step 3: Cross multiply
    136,145.62x = 204,246.11 × 47,406.04
  4. Step 4: Simplify right side
    136,145.62x = 9,682,500,041.04
  5. Step 5: Solve for x
    x = 9,682,500,041.04/136,145.62
  6. Step 6: Final answer
    x = 71,118.70

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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.