Home / 340,724.60-470,203.05-187,768.27

Finding the Fourth Proportional to 340,724.60, 470,203.05 and 187,768.27

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Solution

The fourth proportional to 340,724.60, 470,203.05 and 187,768.27 is: 259,121.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,724.60 : 470,203.05 = 187,768.27 : x
  2. Step 2: Convert to fraction form
    340,724.60/470,203.05 = 187,768.27/x
  3. Step 3: Cross multiply
    340,724.60x = 470,203.05 × 187,768.27
  4. Step 4: Simplify right side
    340,724.60x = 88,289,211,602.30
  5. Step 5: Solve for x
    x = 88,289,211,602.30/340,724.60
  6. Step 6: Final answer
    x = 259,121.92

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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.