Home / 196,226.43-294,388.86-77,858.70

Finding the Fourth Proportional to 196,226.43, 294,388.86 and 77,858.70

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Solution

The fourth proportional to 196,226.43, 294,388.86 and 77,858.70 is: 116,807.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,226.43 : 294,388.86 = 77,858.70 : x
  2. Step 2: Convert to fraction form
    196,226.43/294,388.86 = 77,858.70/x
  3. Step 3: Cross multiply
    196,226.43x = 294,388.86 × 77,858.70
  4. Step 4: Simplify right side
    196,226.43x = 22,920,733,934.08
  5. Step 5: Solve for x
    x = 22,920,733,934.08/196,226.43
  6. Step 6: Final answer
    x = 116,807.58

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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.