Home / 144,823.40-217,235.10-100,586.60

Finding the Fourth Proportional to 144,823.40, 217,235.10 and 100,586.60

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Solution

The fourth proportional to 144,823.40, 217,235.10 and 100,586.60 is: 150,879.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,823.40 : 217,235.10 = 100,586.60 : x
  2. Step 2: Convert to fraction form
    144,823.40/217,235.10 = 100,586.60/x
  3. Step 3: Cross multiply
    144,823.40x = 217,235.10 × 100,586.60
  4. Step 4: Simplify right side
    144,823.40x = 21,850,940,109.66
  5. Step 5: Solve for x
    x = 21,850,940,109.66/144,823.40
  6. Step 6: Final answer
    x = 150,879.90

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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.