Home / 196,845.08-295,124.58-78,480.92

Finding the Fourth Proportional to 196,845.08, 295,124.58 and 78,480.92

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Solution

The fourth proportional to 196,845.08, 295,124.58 and 78,480.92 is: 117,664.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,845.08 : 295,124.58 = 78,480.92 : x
  2. Step 2: Convert to fraction form
    196,845.08/295,124.58 = 78,480.92/x
  3. Step 3: Cross multiply
    196,845.08x = 295,124.58 × 78,480.92
  4. Step 4: Simplify right side
    196,845.08x = 23,161,648,553.01
  5. Step 5: Solve for x
    x = 23,161,648,553.01/196,845.08
  6. Step 6: Final answer
    x = 117,664.35

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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.