Home / 340,617.08-470,060.04-189,716.60

Finding the Fourth Proportional to 340,617.08, 470,060.04 and 189,716.60

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Solution

The fourth proportional to 340,617.08, 470,060.04 and 189,716.60 is: 261,813.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,617.08 : 470,060.04 = 189,716.60 : x
  2. Step 2: Convert to fraction form
    340,617.08/470,060.04 = 189,716.60/x
  3. Step 3: Cross multiply
    340,617.08x = 470,060.04 × 189,716.60
  4. Step 4: Simplify right side
    340,617.08x = 89,178,192,584.66
  5. Step 5: Solve for x
    x = 89,178,192,584.66/340,617.08
  6. Step 6: Final answer
    x = 261,813.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.