Home / 409,153.14-613,626.03-172,493.94

Finding the Fourth Proportional to 409,153.14, 613,626.03 and 172,493.94

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Solution

The fourth proportional to 409,153.14, 613,626.03 and 172,493.94 is: 258,697.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,153.14 : 613,626.03 = 172,493.94 : x
  2. Step 2: Convert to fraction form
    409,153.14/613,626.03 = 172,493.94/x
  3. Step 3: Cross multiply
    409,153.14x = 613,626.03 × 172,493.94
  4. Step 4: Simplify right side
    409,153.14x = 105,846,771,601.26
  5. Step 5: Solve for x
    x = 105,846,771,601.26/409,153.14
  6. Step 6: Final answer
    x = 258,697.20

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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.