Home / 196,112.65-293,910.48-77,719.39

Finding the Fourth Proportional to 196,112.65, 293,910.48 and 77,719.39

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Solution

The fourth proportional to 196,112.65, 293,910.48 and 77,719.39 is: 116,476.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,112.65 : 293,910.48 = 77,719.39 : x
  2. Step 2: Convert to fraction form
    196,112.65/293,910.48 = 77,719.39/x
  3. Step 3: Cross multiply
    196,112.65x = 293,910.48 × 77,719.39
  4. Step 4: Simplify right side
    196,112.65x = 22,842,543,220.21
  5. Step 5: Solve for x
    x = 22,842,543,220.21/196,112.65
  6. Step 6: Final answer
    x = 116,476.64

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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.