Home / 190,378.46-262,723.84-105,496.94

Finding the Fourth Proportional to 190,378.46, 262,723.84 and 105,496.94

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Solution

The fourth proportional to 190,378.46, 262,723.84 and 105,496.94 is: 145,586.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,378.46 : 262,723.84 = 105,496.94 : x
  2. Step 2: Convert to fraction form
    190,378.46/262,723.84 = 105,496.94/x
  3. Step 3: Cross multiply
    190,378.46x = 262,723.84 × 105,496.94
  4. Step 4: Simplify right side
    190,378.46x = 27,716,561,185.05
  5. Step 5: Solve for x
    x = 27,716,561,185.05/190,378.46
  6. Step 6: Final answer
    x = 145,586.64

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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.