Home / 196,116.15-293,915.73-77,722.89

Finding the Fourth Proportional to 196,116.15, 293,915.73 and 77,722.89

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Solution

The fourth proportional to 196,116.15, 293,915.73 and 77,722.89 is: 116,481.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,116.15 : 293,915.73 = 77,722.89 : x
  2. Step 2: Convert to fraction form
    196,116.15/293,915.73 = 77,722.89/x
  3. Step 3: Cross multiply
    196,116.15x = 293,915.73 × 77,722.89
  4. Step 4: Simplify right side
    196,116.15x = 22,843,979,952.06
  5. Step 5: Solve for x
    x = 22,843,979,952.06/196,116.15
  6. Step 6: Final answer
    x = 116,481.89

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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.