Home / 190,401.64-262,745.07-109,855.14

Finding the Fourth Proportional to 190,401.64, 262,745.07 and 109,855.14

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Solution

The fourth proportional to 190,401.64, 262,745.07 and 109,855.14 is: 151,594.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,401.64 : 262,745.07 = 109,855.14 : x
  2. Step 2: Convert to fraction form
    190,401.64/262,745.07 = 109,855.14/x
  3. Step 3: Cross multiply
    190,401.64x = 262,745.07 × 109,855.14
  4. Step 4: Simplify right side
    190,401.64x = 28,863,895,051.91
  5. Step 5: Solve for x
    x = 28,863,895,051.91/190,401.64
  6. Step 6: Final answer
    x = 151,594.78

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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.