Home / 196,250.40-294,231.60-77,863.20

Finding the Fourth Proportional to 196,250.40, 294,231.60 and 77,863.20

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Solution

The fourth proportional to 196,250.40, 294,231.60 and 77,863.20 is: 116,737.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,250.40 : 294,231.60 = 77,863.20 : x
  2. Step 2: Convert to fraction form
    196,250.40/294,231.60 = 77,863.20/x
  3. Step 3: Cross multiply
    196,250.40x = 294,231.60 × 77,863.20
  4. Step 4: Simplify right side
    196,250.40x = 22,909,813,917.12
  5. Step 5: Solve for x
    x = 22,909,813,917.12/196,250.40
  6. Step 6: Final answer
    x = 116,737.67

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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.