Home / 383,636.25-529,198.27-240,147.18

Finding the Fourth Proportional to 383,636.25, 529,198.27 and 240,147.18

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Solution

The fourth proportional to 383,636.25, 529,198.27 and 240,147.18 is: 331,265.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,636.25 : 529,198.27 = 240,147.18 : x
  2. Step 2: Convert to fraction form
    383,636.25/529,198.27 = 240,147.18/x
  3. Step 3: Cross multiply
    383,636.25x = 529,198.27 × 240,147.18
  4. Step 4: Simplify right side
    383,636.25x = 127,085,471,601.01
  5. Step 5: Solve for x
    x = 127,085,471,601.01/383,636.25
  6. Step 6: Final answer
    x = 331,265.55

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1.5x scale

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.