Home / 196,333.10-294,426.90-69,939.75

Finding the Fourth Proportional to 196,333.10, 294,426.90 and 69,939.75

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Solution

The fourth proportional to 196,333.10, 294,426.90 and 69,939.75 is: 104,883.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,333.10 : 294,426.90 = 69,939.75 : x
  2. Step 2: Convert to fraction form
    196,333.10/294,426.90 = 69,939.75/x
  3. Step 3: Cross multiply
    196,333.10x = 294,426.90 × 69,939.75
  4. Step 4: Simplify right side
    196,333.10x = 20,592,144,883.38
  5. Step 5: Solve for x
    x = 20,592,144,883.38/196,333.10
  6. Step 6: Final answer
    x = 104,883.72

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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.