Home / 192,844.40-289,266.60-136,857.20

Finding the Fourth Proportional to 192,844.40, 289,266.60 and 136,857.20

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Solution

The fourth proportional to 192,844.40, 289,266.60 and 136,857.20 is: 205,285.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,844.40 : 289,266.60 = 136,857.20 : x
  2. Step 2: Convert to fraction form
    192,844.40/289,266.60 = 136,857.20/x
  3. Step 3: Cross multiply
    192,844.40x = 289,266.60 × 136,857.20
  4. Step 4: Simplify right side
    192,844.40x = 39,588,216,929.52
  5. Step 5: Solve for x
    x = 39,588,216,929.52/192,844.40
  6. Step 6: Final answer
    x = 205,285.80

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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.