Home / 338,749.47-508,321.04-151,760.97

Finding the Fourth Proportional to 338,749.47, 508,321.04 and 151,760.97

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Solution

The fourth proportional to 338,749.47, 508,321.04 and 151,760.97 is: 227,729.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,749.47 : 508,321.04 = 151,760.97 : x
  2. Step 2: Convert to fraction form
    338,749.47/508,321.04 = 151,760.97/x
  3. Step 3: Cross multiply
    338,749.47x = 508,321.04 × 151,760.97
  4. Step 4: Simplify right side
    338,749.47x = 77,143,293,343.00
  5. Step 5: Solve for x
    x = 77,143,293,343.00/338,749.47
  6. Step 6: Final answer
    x = 227,729.64

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.