Home / 340,869.94-470,402.85-189,976.66

Finding the Fourth Proportional to 340,869.94, 470,402.85 and 189,976.66

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Solution

The fourth proportional to 340,869.94, 470,402.85 and 189,976.66 is: 262,169.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,869.94 : 470,402.85 = 189,976.66 : x
  2. Step 2: Convert to fraction form
    340,869.94/470,402.85 = 189,976.66/x
  3. Step 3: Cross multiply
    340,869.94x = 470,402.85 × 189,976.66
  4. Step 4: Simplify right side
    340,869.94x = 89,365,562,297.48
  5. Step 5: Solve for x
    x = 89,365,562,297.48/340,869.94
  6. Step 6: Final answer
    x = 262,169.09

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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.