Home / 190,103.34-262,401-109,584.68

Finding the Fourth Proportional to 190,103.34, 262,401 and 109,584.68

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Solution

The fourth proportional to 190,103.34, 262,401 and 109,584.68 is: 151,260.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.34 : 262,401 = 109,584.68 : x
  2. Step 2: Convert to fraction form
    190,103.34/262,401 = 109,584.68/x
  3. Step 3: Cross multiply
    190,103.34x = 262,401 × 109,584.68
  4. Step 4: Simplify right side
    190,103.34x = 28,755,129,616.68
  5. Step 5: Solve for x
    x = 28,755,129,616.68/190,103.34
  6. Step 6: Final answer
    x = 151,260.52

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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.