Home / 190,502.28-262,880.37-109,933.20

Finding the Fourth Proportional to 190,502.28, 262,880.37 and 109,933.20

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Solution

The fourth proportional to 190,502.28, 262,880.37 and 109,933.20 is: 151,700.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,502.28 : 262,880.37 = 109,933.20 : x
  2. Step 2: Convert to fraction form
    190,502.28/262,880.37 = 109,933.20/x
  3. Step 3: Cross multiply
    190,502.28x = 262,880.37 × 109,933.20
  4. Step 4: Simplify right side
    190,502.28x = 28,899,280,291.28
  5. Step 5: Solve for x
    x = 28,899,280,291.28/190,502.28
  6. Step 6: Final answer
    x = 151,700.44

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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.