Home / 340,867.83-470,399.08-187,902.73

Finding the Fourth Proportional to 340,867.83, 470,399.08 and 187,902.73

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Solution

The fourth proportional to 340,867.83, 470,399.08 and 187,902.73 is: 259,306.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,867.83 : 470,399.08 = 187,902.73 : x
  2. Step 2: Convert to fraction form
    340,867.83/470,399.08 = 187,902.73/x
  3. Step 3: Cross multiply
    340,867.83x = 470,399.08 × 187,902.73
  4. Step 4: Simplify right side
    340,867.83x = 88,389,270,997.53
  5. Step 5: Solve for x
    x = 88,389,270,997.53/340,867.83
  6. Step 6: Final answer
    x = 259,306.58

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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.