Home / 192,040.80-265,021.44-107,174.40

Finding the Fourth Proportional to 192,040.80, 265,021.44 and 107,174.40

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Solution

The fourth proportional to 192,040.80, 265,021.44 and 107,174.40 is: 147,903.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,040.80 : 265,021.44 = 107,174.40 : x
  2. Step 2: Convert to fraction form
    192,040.80/265,021.44 = 107,174.40/x
  3. Step 3: Cross multiply
    192,040.80x = 265,021.44 × 107,174.40
  4. Step 4: Simplify right side
    192,040.80x = 28,403,513,819.14
  5. Step 5: Solve for x
    x = 28,403,513,819.14/192,040.80
  6. Step 6: Final answer
    x = 147,903.54

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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.