Home / 196,299.65-293,868.22-121,178.25

Finding the Fourth Proportional to 196,299.65, 293,868.22 and 121,178.25

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Solution

The fourth proportional to 196,299.65, 293,868.22 and 121,178.25 is: 181,408.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,299.65 : 293,868.22 = 121,178.25 : x
  2. Step 2: Convert to fraction form
    196,299.65/293,868.22 = 121,178.25/x
  3. Step 3: Cross multiply
    196,299.65x = 293,868.22 × 121,178.25
  4. Step 4: Simplify right side
    196,299.65x = 35,610,436,869.76
  5. Step 5: Solve for x
    x = 35,610,436,869.76/196,299.65
  6. Step 6: Final answer
    x = 181,408.56

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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.