Home / 196,573.29-294,879.09-78,216.96

Finding the Fourth Proportional to 196,573.29, 294,879.09 and 78,216.96

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Solution

The fourth proportional to 196,573.29, 294,879.09 and 78,216.96 is: 117,333.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,573.29 : 294,879.09 = 78,216.96 : x
  2. Step 2: Convert to fraction form
    196,573.29/294,879.09 = 78,216.96/x
  3. Step 3: Cross multiply
    196,573.29x = 294,879.09 × 78,216.96
  4. Step 4: Simplify right side
    196,573.29x = 23,064,545,987.37
  5. Step 5: Solve for x
    x = 23,064,545,987.37/196,573.29
  6. Step 6: Final answer
    x = 117,333.06

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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.