Home / 196,631.96-294,899.18-84,299.48

Finding the Fourth Proportional to 196,631.96, 294,899.18 and 84,299.48

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Solution

The fourth proportional to 196,631.96, 294,899.18 and 84,299.48 is: 126,428.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,631.96 : 294,899.18 = 84,299.48 : x
  2. Step 2: Convert to fraction form
    196,631.96/294,899.18 = 84,299.48/x
  3. Step 3: Cross multiply
    196,631.96x = 294,899.18 × 84,299.48
  4. Step 4: Simplify right side
    196,631.96x = 24,859,847,526.43
  5. Step 5: Solve for x
    x = 24,859,847,526.43/196,631.96
  6. Step 6: Final answer
    x = 126,428.32

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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.