Home / 190,103.36-262,313.26-109,515.12

Finding the Fourth Proportional to 190,103.36, 262,313.26 and 109,515.12

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Solution

The fourth proportional to 190,103.36, 262,313.26 and 109,515.12 is: 151,113.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,103.36 : 262,313.26 = 109,515.12 : x
  2. Step 2: Convert to fraction form
    190,103.36/262,313.26 = 109,515.12/x
  3. Step 3: Cross multiply
    190,103.36x = 262,313.26 × 109,515.12
  4. Step 4: Simplify right side
    190,103.36x = 28,727,268,146.49
  5. Step 5: Solve for x
    x = 28,727,268,146.49/190,103.36
  6. Step 6: Final answer
    x = 151,113.94

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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.