Home / 411,718.12-617,490.60-116,161

Finding the Fourth Proportional to 411,718.12, 617,490.60 and 116,161

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Solution

The fourth proportional to 411,718.12, 617,490.60 and 116,161 is: 174,217.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,718.12 : 617,490.60 = 116,161 : x
  2. Step 2: Convert to fraction form
    411,718.12/617,490.60 = 116,161/x
  3. Step 3: Cross multiply
    411,718.12x = 617,490.60 × 116,161
  4. Step 4: Simplify right side
    411,718.12x = 71,728,325,586.60
  5. Step 5: Solve for x
    x = 71,728,325,586.60/411,718.12
  6. Step 6: Final answer
    x = 174,217.07

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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.