Home / 196,819.18-295,156.22-70,425.16

Finding the Fourth Proportional to 196,819.18, 295,156.22 and 70,425.16

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Solution

The fourth proportional to 196,819.18, 295,156.22 and 70,425.16 is: 105,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,819.18 : 295,156.22 = 70,425.16 : x
  2. Step 2: Convert to fraction form
    196,819.18/295,156.22 = 70,425.16/x
  3. Step 3: Cross multiply
    196,819.18x = 295,156.22 × 70,425.16
  4. Step 4: Simplify right side
    196,819.18x = 20,786,424,018.50
  5. Step 5: Solve for x
    x = 20,786,424,018.50/196,819.18
  6. Step 6: Final answer
    x = 105,611.78

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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.