Home / 196,590.61-294,997.91-76,631.95

Finding the Fourth Proportional to 196,590.61, 294,997.91 and 76,631.95

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Solution

The fourth proportional to 196,590.61, 294,997.91 and 76,631.95 is: 114,991.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,590.61 : 294,997.91 = 76,631.95 : x
  2. Step 2: Convert to fraction form
    196,590.61/294,997.91 = 76,631.95/x
  3. Step 3: Cross multiply
    196,590.61x = 294,997.91 × 76,631.95
  4. Step 4: Simplify right side
    196,590.61x = 22,606,265,089.22
  5. Step 5: Solve for x
    x = 22,606,265,089.22/196,590.61
  6. Step 6: Final answer
    x = 114,991.58

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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.