Home / 197,576.20-272,657.91-111,540.03

Finding the Fourth Proportional to 197,576.20, 272,657.91 and 111,540.03

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Solution

The fourth proportional to 197,576.20, 272,657.91 and 111,540.03 is: 153,926.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    197,576.20 : 272,657.91 = 111,540.03 : x
  2. Step 2: Convert to fraction form
    197,576.20/272,657.91 = 111,540.03/x
  3. Step 3: Cross multiply
    197,576.20x = 272,657.91 × 111,540.03
  4. Step 4: Simplify right side
    197,576.20x = 30,412,271,461.14
  5. Step 5: Solve for x
    x = 30,412,271,461.14/197,576.20
  6. Step 6: Final answer
    x = 153,926.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.