Home / 192,400.50-265,507.74-107,518.26

Finding the Fourth Proportional to 192,400.50, 265,507.74 and 107,518.26

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Solution

The fourth proportional to 192,400.50, 265,507.74 and 107,518.26 is: 148,372.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,400.50 : 265,507.74 = 107,518.26 : x
  2. Step 2: Convert to fraction form
    192,400.50/265,507.74 = 107,518.26/x
  3. Step 3: Cross multiply
    192,400.50x = 265,507.74 × 107,518.26
  4. Step 4: Simplify right side
    192,400.50x = 28,546,930,221.33
  5. Step 5: Solve for x
    x = 28,546,930,221.33/192,400.50
  6. Step 6: Final answer
    x = 148,372.43

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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.