Home / 225,794.28-311,596.02-122,428.56

Finding the Fourth Proportional to 225,794.28, 311,596.02 and 122,428.56

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Solution

The fourth proportional to 225,794.28, 311,596.02 and 122,428.56 is: 168,951.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,794.28 : 311,596.02 = 122,428.56 : x
  2. Step 2: Convert to fraction form
    225,794.28/311,596.02 = 122,428.56/x
  3. Step 3: Cross multiply
    225,794.28x = 311,596.02 × 122,428.56
  4. Step 4: Simplify right side
    225,794.28x = 38,148,252,030.33
  5. Step 5: Solve for x
    x = 38,148,252,030.33/225,794.28
  6. Step 6: Final answer
    x = 168,951.37

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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.