Home / 190,122.28-262,396.38-109,534.12

Finding the Fourth Proportional to 190,122.28, 262,396.38 and 109,534.12

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Solution

The fourth proportional to 190,122.28, 262,396.38 and 109,534.12 is: 151,173.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,122.28 : 262,396.38 = 109,534.12 : x
  2. Step 2: Convert to fraction form
    190,122.28/262,396.38 = 109,534.12/x
  3. Step 3: Cross multiply
    190,122.28x = 262,396.38 × 109,534.12
  4. Step 4: Simplify right side
    190,122.28x = 28,741,356,574.49
  5. Step 5: Solve for x
    x = 28,741,356,574.49/190,122.28
  6. Step 6: Final answer
    x = 151,173.01

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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.