Home / 349,321.10-481,923.14-220,217.10

Finding the Fourth Proportional to 349,321.10, 481,923.14 and 220,217.10

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Solution

The fourth proportional to 349,321.10, 481,923.14 and 220,217.10 is: 303,811.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,321.10 : 481,923.14 = 220,217.10 : x
  2. Step 2: Convert to fraction form
    349,321.10/481,923.14 = 220,217.10/x
  3. Step 3: Cross multiply
    349,321.10x = 481,923.14 × 220,217.10
  4. Step 4: Simplify right side
    349,321.10x = 106,127,716,313.69
  5. Step 5: Solve for x
    x = 106,127,716,313.69/349,321.10
  6. Step 6: Final answer
    x = 303,811.35

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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.