Home / 190,105.92-262,359-109,531.44

Finding the Fourth Proportional to 190,105.92, 262,359 and 109,531.44

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Solution

The fourth proportional to 190,105.92, 262,359 and 109,531.44 is: 151,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,105.92 : 262,359 = 109,531.44 : x
  2. Step 2: Convert to fraction form
    190,105.92/262,359 = 109,531.44/x
  3. Step 3: Cross multiply
    190,105.92x = 262,359 × 109,531.44
  4. Step 4: Simplify right side
    190,105.92x = 28,736,559,066.96
  5. Step 5: Solve for x
    x = 28,736,559,066.96/190,105.92
  6. Step 6: Final answer
    x = 151,160.78

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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.