Home / 196,334.10-294,428.40-69,940.75

Finding the Fourth Proportional to 196,334.10, 294,428.40 and 69,940.75

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Solution

The fourth proportional to 196,334.10, 294,428.40 and 69,940.75 is: 104,885.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,334.10 : 294,428.40 = 69,940.75 : x
  2. Step 2: Convert to fraction form
    196,334.10/294,428.40 = 69,940.75/x
  3. Step 3: Cross multiply
    196,334.10x = 294,428.40 × 69,940.75
  4. Step 4: Simplify right side
    196,334.10x = 20,592,543,117.30
  5. Step 5: Solve for x
    x = 20,592,543,117.30/196,334.10
  6. Step 6: Final answer
    x = 104,885.21

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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.