Home / 190,406.70-262,752.05-109,860.20

Finding the Fourth Proportional to 190,406.70, 262,752.05 and 109,860.20

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Solution

The fourth proportional to 190,406.70, 262,752.05 and 109,860.20 is: 151,601.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,406.70 : 262,752.05 = 109,860.20 : x
  2. Step 2: Convert to fraction form
    190,406.70/262,752.05 = 109,860.20/x
  3. Step 3: Cross multiply
    190,406.70x = 262,752.05 × 109,860.20
  4. Step 4: Simplify right side
    190,406.70x = 28,865,992,709.62
  5. Step 5: Solve for x
    x = 28,865,992,709.62/190,406.70
  6. Step 6: Final answer
    x = 151,601.77

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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.