Home / 192,491.08-288,751.20-52,260.64

Finding the Fourth Proportional to 192,491.08, 288,751.20 and 52,260.64

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Solution

The fourth proportional to 192,491.08, 288,751.20 and 52,260.64 is: 78,394.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,491.08 : 288,751.20 = 52,260.64 : x
  2. Step 2: Convert to fraction form
    192,491.08/288,751.20 = 52,260.64/x
  3. Step 3: Cross multiply
    192,491.08x = 288,751.20 × 52,260.64
  4. Step 4: Simplify right side
    192,491.08x = 15,090,322,512.77
  5. Step 5: Solve for x
    x = 15,090,322,512.77/192,491.08
  6. Step 6: Final answer
    x = 78,394.92

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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.