Home / 190,358.58-262,727.37-109,771.68

Finding the Fourth Proportional to 190,358.58, 262,727.37 and 109,771.68

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Solution

The fourth proportional to 190,358.58, 262,727.37 and 109,771.68 is: 151,503.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,358.58 : 262,727.37 = 109,771.68 : x
  2. Step 2: Convert to fraction form
    190,358.58/262,727.37 = 109,771.68/x
  3. Step 3: Cross multiply
    190,358.58x = 262,727.37 × 109,771.68
  4. Step 4: Simplify right side
    190,358.58x = 28,840,024,786.88
  5. Step 5: Solve for x
    x = 28,840,024,786.88/190,358.58
  6. Step 6: Final answer
    x = 151,503.68

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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.