Home / 190,194.68-262,468.25-109,621.65

Finding the Fourth Proportional to 190,194.68, 262,468.25 and 109,621.65

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Solution

The fourth proportional to 190,194.68, 262,468.25 and 109,621.65 is: 151,277.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,194.68 : 262,468.25 = 109,621.65 : x
  2. Step 2: Convert to fraction form
    190,194.68/262,468.25 = 109,621.65/x
  3. Step 3: Cross multiply
    190,194.68x = 262,468.25 × 109,621.65
  4. Step 4: Simplify right side
    190,194.68x = 28,772,203,484.84
  5. Step 5: Solve for x
    x = 28,772,203,484.84/190,194.68
  6. Step 6: Final answer
    x = 151,277.64

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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.