Home / 196,834.10-295,251.15-78,523.70

Finding the Fourth Proportional to 196,834.10, 295,251.15 and 78,523.70

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Solution

The fourth proportional to 196,834.10, 295,251.15 and 78,523.70 is: 117,785.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,834.10 : 295,251.15 = 78,523.70 : x
  2. Step 2: Convert to fraction form
    196,834.10/295,251.15 = 78,523.70/x
  3. Step 3: Cross multiply
    196,834.10x = 295,251.15 × 78,523.70
  4. Step 4: Simplify right side
    196,834.10x = 23,184,212,727.26
  5. Step 5: Solve for x
    x = 23,184,212,727.26/196,834.10
  6. Step 6: Final answer
    x = 117,785.55

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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.