Home / 190,109.32-262,409.30-109,590.68

Finding the Fourth Proportional to 190,109.32, 262,409.30 and 109,590.68

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Solution

The fourth proportional to 190,109.32, 262,409.30 and 109,590.68 is: 151,268.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    190,109.32 : 262,409.30 = 109,590.68 : x
  2. Step 2: Convert to fraction form
    190,109.32/262,409.30 = 109,590.68/x
  3. Step 3: Cross multiply
    190,109.32x = 262,409.30 × 109,590.68
  4. Step 4: Simplify right side
    190,109.32x = 28,757,613,625.32
  5. Step 5: Solve for x
    x = 28,757,613,625.32/190,109.32
  6. Step 6: Final answer
    x = 151,268.83

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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.