Home / 182,128.26-273,126.78-76,955.43

Finding the Fourth Proportional to 182,128.26, 273,126.78 and 76,955.43

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Solution

The fourth proportional to 182,128.26, 273,126.78 and 76,955.43 is: 115,405.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,128.26 : 273,126.78 = 76,955.43 : x
  2. Step 2: Convert to fraction form
    182,128.26/273,126.78 = 76,955.43/x
  3. Step 3: Cross multiply
    182,128.26x = 273,126.78 × 76,955.43
  4. Step 4: Simplify right side
    182,128.26x = 21,018,588,799.42
  5. Step 5: Solve for x
    x = 21,018,588,799.42/182,128.26
  6. Step 6: Final answer
    x = 115,405.42

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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.