Home / 196,232.40-294,204.60-77,845.20

Finding the Fourth Proportional to 196,232.40, 294,204.60 and 77,845.20

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Solution

The fourth proportional to 196,232.40, 294,204.60 and 77,845.20 is: 116,710.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    196,232.40 : 294,204.60 = 77,845.20 : x
  2. Step 2: Convert to fraction form
    196,232.40/294,204.60 = 77,845.20/x
  3. Step 3: Cross multiply
    196,232.40x = 294,204.60 × 77,845.20
  4. Step 4: Simplify right side
    196,232.40x = 22,902,415,927.92
  5. Step 5: Solve for x
    x = 22,902,415,927.92/196,232.40
  6. Step 6: Final answer
    x = 116,710.68

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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.