Home / 196,588.26-294,901.56-78,231.96

Finding the Fourth Proportional to 196,588.26, 294,901.56 and 78,231.96

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Solution

The fourth proportional to 196,588.26, 294,901.56 and 78,231.96 is: 117,355.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,588.26 : 294,901.56 = 78,231.96 : x
  2. Step 2: Convert to fraction form
    196,588.26/294,901.56 = 78,231.96/x
  3. Step 3: Cross multiply
    196,588.26x = 294,901.56 × 78,231.96
  4. Step 4: Simplify right side
    196,588.26x = 23,070,727,045.86
  5. Step 5: Solve for x
    x = 23,070,727,045.86/196,588.26
  6. Step 6: Final answer
    x = 117,355.57

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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.