Home / 196,238.13-294,401.09-71,579.13

Finding the Fourth Proportional to 196,238.13, 294,401.09 and 71,579.13

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Solution

The fourth proportional to 196,238.13, 294,401.09 and 71,579.13 is: 107,384.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,238.13 : 294,401.09 = 71,579.13 : x
  2. Step 2: Convert to fraction form
    196,238.13/294,401.09 = 71,579.13/x
  3. Step 3: Cross multiply
    196,238.13x = 294,401.09 × 71,579.13
  4. Step 4: Simplify right side
    196,238.13x = 21,072,973,535.36
  5. Step 5: Solve for x
    x = 21,072,973,535.36/196,238.13
  6. Step 6: Final answer
    x = 107,384.70

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1.5x scale

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.