Home / 225,589.63-311,284.03-134,912.47

Finding the Fourth Proportional to 225,589.63, 311,284.03 and 134,912.47

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Solution

The fourth proportional to 225,589.63, 311,284.03 and 134,912.47 is: 186,161.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,589.63 : 311,284.03 = 134,912.47 : x
  2. Step 2: Convert to fraction form
    225,589.63/311,284.03 = 134,912.47/x
  3. Step 3: Cross multiply
    225,589.63x = 311,284.03 × 134,912.47
  4. Step 4: Simplify right side
    225,589.63x = 41,996,097,358.85
  5. Step 5: Solve for x
    x = 41,996,097,358.85/225,589.63
  6. Step 6: Final answer
    x = 186,161.47

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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.