Home / 436,372.92-654,629.04-152,145.20

Finding the Fourth Proportional to 436,372.92, 654,629.04 and 152,145.20

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Solution

The fourth proportional to 436,372.92, 654,629.04 and 152,145.20 is: 228,242.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    436,372.92 : 654,629.04 = 152,145.20 : x
  2. Step 2: Convert to fraction form
    436,372.92/654,629.04 = 152,145.20/x
  3. Step 3: Cross multiply
    436,372.92x = 654,629.04 × 152,145.20
  4. Step 4: Simplify right side
    436,372.92x = 99,598,667,853.18
  5. Step 5: Solve for x
    x = 99,598,667,853.18/436,372.92
  6. Step 6: Final answer
    x = 228,242.09

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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.