Home / 190,715.12-263,195.06-105,832.18

Finding the Fourth Proportional to 190,715.12, 263,195.06 and 105,832.18

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Solution

The fourth proportional to 190,715.12, 263,195.06 and 105,832.18 is: 146,052.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,715.12 : 263,195.06 = 105,832.18 : x
  2. Step 2: Convert to fraction form
    190,715.12/263,195.06 = 105,832.18/x
  3. Step 3: Cross multiply
    190,715.12x = 263,195.06 × 105,832.18
  4. Step 4: Simplify right side
    190,715.12x = 27,854,505,777.88
  5. Step 5: Solve for x
    x = 27,854,505,777.88/190,715.12
  6. Step 6: Final answer
    x = 146,052.95

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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.