Home / 192,115.26-265,118.40-107,231.58

Finding the Fourth Proportional to 192,115.26, 265,118.40 and 107,231.58

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Solution

The fourth proportional to 192,115.26, 265,118.40 and 107,231.58 is: 147,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,115.26 : 265,118.40 = 107,231.58 : x
  2. Step 2: Convert to fraction form
    192,115.26/265,118.40 = 107,231.58/x
  3. Step 3: Cross multiply
    192,115.26x = 265,118.40 × 107,231.58
  4. Step 4: Simplify right side
    192,115.26x = 28,429,064,919.07
  5. Step 5: Solve for x
    x = 28,429,064,919.07/192,115.26
  6. Step 6: Final answer
    x = 147,979.21

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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.