Home / 135,870.48-203,497.20-117,000.36

Finding the Fourth Proportional to 135,870.48, 203,497.20 and 117,000.36

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Solution

The fourth proportional to 135,870.48, 203,497.20 and 117,000.36 is: 175,234.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,870.48 : 203,497.20 = 117,000.36 : x
  2. Step 2: Convert to fraction form
    135,870.48/203,497.20 = 117,000.36/x
  3. Step 3: Cross multiply
    135,870.48x = 203,497.20 × 117,000.36
  4. Step 4: Simplify right side
    135,870.48x = 23,809,245,658.99
  5. Step 5: Solve for x
    x = 23,809,245,658.99/135,870.48
  6. Step 6: Final answer
    x = 175,234.87

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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.