Home / 131,845.40-197,695.20-43,053.20

Finding the Fourth Proportional to 131,845.40, 197,695.20 and 43,053.20

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Solution

The fourth proportional to 131,845.40, 197,695.20 and 43,053.20 is: 64,556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,845.40 : 197,695.20 = 43,053.20 : x
  2. Step 2: Convert to fraction form
    131,845.40/197,695.20 = 43,053.20/x
  3. Step 3: Cross multiply
    131,845.40x = 197,695.20 × 43,053.20
  4. Step 4: Simplify right side
    131,845.40x = 8,511,410,984.64
  5. Step 5: Solve for x
    x = 8,511,410,984.64/131,845.40
  6. Step 6: Final answer
    x = 64,556.00

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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.