Home / 255,844.20-383,442.30-97,861.80

Finding the Fourth Proportional to 255,844.20, 383,442.30 and 97,861.80

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Solution

The fourth proportional to 255,844.20, 383,442.30 and 97,861.80 is: 146,668.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    255,844.20 : 383,442.30 = 97,861.80 : x
  2. Step 2: Convert to fraction form
    255,844.20/383,442.30 = 97,861.80/x
  3. Step 3: Cross multiply
    255,844.20x = 383,442.30 × 97,861.80
  4. Step 4: Simplify right side
    255,844.20x = 37,524,353,674.14
  5. Step 5: Solve for x
    x = 37,524,353,674.14/255,844.20
  6. Step 6: Final answer
    x = 146,668.77

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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.