Home / 190,416.42-262,772.64-109,843.02

Finding the Fourth Proportional to 190,416.42, 262,772.64 and 109,843.02

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Solution

The fourth proportional to 190,416.42, 262,772.64 and 109,843.02 is: 151,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,416.42 : 262,772.64 = 109,843.02 : x
  2. Step 2: Convert to fraction form
    190,416.42/262,772.64 = 109,843.02/x
  3. Step 3: Cross multiply
    190,416.42x = 262,772.64 × 109,843.02
  4. Step 4: Simplify right side
    190,416.42x = 28,863,740,350.97
  5. Step 5: Solve for x
    x = 28,863,740,350.97/190,416.42
  6. Step 6: Final answer
    x = 151,582.20

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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.