Home / 203,624.36-305,313.81-91,284.24

Finding the Fourth Proportional to 203,624.36, 305,313.81 and 91,284.24

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Solution

The fourth proportional to 203,624.36, 305,313.81 and 91,284.24 is: 136,871.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,624.36 : 305,313.81 = 91,284.24 : x
  2. Step 2: Convert to fraction form
    203,624.36/305,313.81 = 91,284.24/x
  3. Step 3: Cross multiply
    203,624.36x = 305,313.81 × 91,284.24
  4. Step 4: Simplify right side
    203,624.36x = 27,870,339,107.35
  5. Step 5: Solve for x
    x = 27,870,339,107.35/203,624.36
  6. Step 6: Final answer
    x = 136,871.34

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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.