Home / 196,815.45-295,191.54-70,432.17

Finding the Fourth Proportional to 196,815.45, 295,191.54 and 70,432.17

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Solution

The fourth proportional to 196,815.45, 295,191.54 and 70,432.17 is: 105,636.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,815.45 : 295,191.54 = 70,432.17 : x
  2. Step 2: Convert to fraction form
    196,815.45/295,191.54 = 70,432.17/x
  3. Step 3: Cross multiply
    196,815.45x = 295,191.54 × 70,432.17
  4. Step 4: Simplify right side
    196,815.45x = 20,790,979,620.87
  5. Step 5: Solve for x
    x = 20,790,979,620.87/196,815.45
  6. Step 6: Final answer
    x = 105,636.93

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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.