Home / 257,096.56-355,470.24-225,173.92

Finding the Fourth Proportional to 257,096.56, 355,470.24 and 225,173.92

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Solution

The fourth proportional to 257,096.56, 355,470.24 and 225,173.92 is: 311,332.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    257,096.56 : 355,470.24 = 225,173.92 : x
  2. Step 2: Convert to fraction form
    257,096.56/355,470.24 = 225,173.92/x
  3. Step 3: Cross multiply
    257,096.56x = 355,470.24 × 225,173.92
  4. Step 4: Simplify right side
    257,096.56x = 80,042,627,384.14
  5. Step 5: Solve for x
    x = 80,042,627,384.14/257,096.56
  6. Step 6: Final answer
    x = 311,332.94

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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.