Home / 196,119.40-293,876.70-145,964.20

Finding the Fourth Proportional to 196,119.40, 293,876.70 and 145,964.20

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Solution

The fourth proportional to 196,119.40, 293,876.70 and 145,964.20 is: 218,721.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,119.40 : 293,876.70 = 145,964.20 : x
  2. Step 2: Convert to fraction form
    196,119.40/293,876.70 = 145,964.20/x
  3. Step 3: Cross multiply
    196,119.40x = 293,876.70 × 145,964.20
  4. Step 4: Simplify right side
    196,119.40x = 42,895,477,414.14
  5. Step 5: Solve for x
    x = 42,895,477,414.14/196,119.40
  6. Step 6: Final answer
    x = 218,721.24

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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.