Home / 192,421.58-265,542.17-107,538.64

Finding the Fourth Proportional to 192,421.58, 265,542.17 and 107,538.64

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Solution

The fourth proportional to 192,421.58, 265,542.17 and 107,538.64 is: 148,403.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,421.58 : 265,542.17 = 107,538.64 : x
  2. Step 2: Convert to fraction form
    192,421.58/265,542.17 = 107,538.64/x
  3. Step 3: Cross multiply
    192,421.58x = 265,542.17 × 107,538.64
  4. Step 4: Simplify right side
    192,421.58x = 28,556,042,622.90
  5. Step 5: Solve for x
    x = 28,556,042,622.90/192,421.58
  6. Step 6: Final answer
    x = 148,403.54

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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.