Home / 196,234.40-294,207.60-77,847.20

Finding the Fourth Proportional to 196,234.40, 294,207.60 and 77,847.20

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Solution

The fourth proportional to 196,234.40, 294,207.60 and 77,847.20 is: 116,713.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,234.40 : 294,207.60 = 77,847.20 : x
  2. Step 2: Convert to fraction form
    196,234.40/294,207.60 = 77,847.20/x
  3. Step 3: Cross multiply
    196,234.40x = 294,207.60 × 77,847.20
  4. Step 4: Simplify right side
    196,234.40x = 22,903,237,878.72
  5. Step 5: Solve for x
    x = 22,903,237,878.72/196,234.40
  6. Step 6: Final answer
    x = 116,713.67

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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.