Home / 196,052.70-294,176.34-77,721.42

Finding the Fourth Proportional to 196,052.70, 294,176.34 and 77,721.42

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Solution

The fourth proportional to 196,052.70, 294,176.34 and 77,721.42 is: 116,620.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,052.70 : 294,176.34 = 77,721.42 : x
  2. Step 2: Convert to fraction form
    196,052.70/294,176.34 = 77,721.42/x
  3. Step 3: Cross multiply
    196,052.70x = 294,176.34 × 77,721.42
  4. Step 4: Simplify right side
    196,052.70x = 22,863,802,875.20
  5. Step 5: Solve for x
    x = 22,863,802,875.20/196,052.70
  6. Step 6: Final answer
    x = 116,620.70

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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.