Home / 196,123.68-294,125.04-102,578.40

Finding the Fourth Proportional to 196,123.68, 294,125.04 and 102,578.40

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Solution

The fourth proportional to 196,123.68, 294,125.04 and 102,578.40 is: 153,835.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,123.68 : 294,125.04 = 102,578.40 : x
  2. Step 2: Convert to fraction form
    196,123.68/294,125.04 = 102,578.40/x
  3. Step 3: Cross multiply
    196,123.68x = 294,125.04 × 102,578.40
  4. Step 4: Simplify right side
    196,123.68x = 30,170,876,003.14
  5. Step 5: Solve for x
    x = 30,170,876,003.14/196,123.68
  6. Step 6: Final answer
    x = 153,835.97

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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.