Home / 190,538.65-262,924.39-109,992.12

Finding the Fourth Proportional to 190,538.65, 262,924.39 and 109,992.12

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Solution

The fourth proportional to 190,538.65, 262,924.39 and 109,992.12 is: 151,778.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,538.65 : 262,924.39 = 109,992.12 : x
  2. Step 2: Convert to fraction form
    190,538.65/262,924.39 = 109,992.12/x
  3. Step 3: Cross multiply
    190,538.65x = 262,924.39 × 109,992.12
  4. Step 4: Simplify right side
    190,538.65x = 28,919,610,505.85
  5. Step 5: Solve for x
    x = 28,919,610,505.85/190,538.65
  6. Step 6: Final answer
    x = 151,778.19

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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.