Home / 196,895.40-295,561.80-108,321.90

Finding the Fourth Proportional to 196,895.40, 295,561.80 and 108,321.90

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Solution

The fourth proportional to 196,895.40, 295,561.80 and 108,321.90 is: 162,603.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,895.40 : 295,561.80 = 108,321.90 : x
  2. Step 2: Convert to fraction form
    196,895.40/295,561.80 = 108,321.90/x
  3. Step 3: Cross multiply
    196,895.40x = 295,561.80 × 108,321.90
  4. Step 4: Simplify right side
    196,895.40x = 32,015,815,743.42
  5. Step 5: Solve for x
    x = 32,015,815,743.42/196,895.40
  6. Step 6: Final answer
    x = 162,603.17

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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.