Home / 399,636.03-599,440.23-100,119.18

Finding the Fourth Proportional to 399,636.03, 599,440.23 and 100,119.18

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Solution

The fourth proportional to 399,636.03, 599,440.23 and 100,119.18 is: 150,175.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,636.03 : 599,440.23 = 100,119.18 : x
  2. Step 2: Convert to fraction form
    399,636.03/599,440.23 = 100,119.18/x
  3. Step 3: Cross multiply
    399,636.03x = 599,440.23 × 100,119.18
  4. Step 4: Simplify right side
    399,636.03x = 60,015,464,286.61
  5. Step 5: Solve for x
    x = 60,015,464,286.61/399,636.03
  6. Step 6: Final answer
    x = 150,175.31

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1.5x scale

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.