Home / 189,740.44-261,842.07-109,166.35

Finding the Fourth Proportional to 189,740.44, 261,842.07 and 109,166.35

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Solution

The fourth proportional to 189,740.44, 261,842.07 and 109,166.35 is: 150,649.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,740.44 : 261,842.07 = 109,166.35 : x
  2. Step 2: Convert to fraction form
    189,740.44/261,842.07 = 109,166.35/x
  3. Step 3: Cross multiply
    189,740.44x = 261,842.07 × 109,166.35
  4. Step 4: Simplify right side
    189,740.44x = 28,584,342,512.51
  5. Step 5: Solve for x
    x = 28,584,342,512.51/189,740.44
  6. Step 6: Final answer
    x = 150,649.71

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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.