Home / 192,940.20-266,271.57-116,478.09

Finding the Fourth Proportional to 192,940.20, 266,271.57 and 116,478.09

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Solution

The fourth proportional to 192,940.20, 266,271.57 and 116,478.09 is: 160,748.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,940.20 : 266,271.57 = 116,478.09 : x
  2. Step 2: Convert to fraction form
    192,940.20/266,271.57 = 116,478.09/x
  3. Step 3: Cross multiply
    192,940.20x = 266,271.57 × 116,478.09
  4. Step 4: Simplify right side
    192,940.20x = 31,014,803,894.90
  5. Step 5: Solve for x
    x = 31,014,803,894.90/192,940.20
  6. Step 6: Final answer
    x = 160,748.27

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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.