Home / 196,956.48-295,435.20-78,637.44

Finding the Fourth Proportional to 196,956.48, 295,435.20 and 78,637.44

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Solution

The fourth proportional to 196,956.48, 295,435.20 and 78,637.44 is: 117,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,956.48 : 295,435.20 = 78,637.44 : x
  2. Step 2: Convert to fraction form
    196,956.48/295,435.20 = 78,637.44/x
  3. Step 3: Cross multiply
    196,956.48x = 295,435.20 × 78,637.44
  4. Step 4: Simplify right side
    196,956.48x = 23,232,267,813.89
  5. Step 5: Solve for x
    x = 23,232,267,813.89/196,956.48
  6. Step 6: Final answer
    x = 117,956.35

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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.