Home / 196,810.08-295,072.08-78,445.92

Finding the Fourth Proportional to 196,810.08, 295,072.08 and 78,445.92

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Solution

The fourth proportional to 196,810.08, 295,072.08 and 78,445.92 is: 117,611.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,810.08 : 295,072.08 = 78,445.92 : x
  2. Step 2: Convert to fraction form
    196,810.08/295,072.08 = 78,445.92/x
  3. Step 3: Cross multiply
    196,810.08x = 295,072.08 × 78,445.92
  4. Step 4: Simplify right side
    196,810.08x = 23,147,200,781.91
  5. Step 5: Solve for x
    x = 23,147,200,781.91/196,810.08
  6. Step 6: Final answer
    x = 117,611.87

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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.