Home / 203,533.23-280,873.98-112,889.37

Finding the Fourth Proportional to 203,533.23, 280,873.98 and 112,889.37

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Solution

The fourth proportional to 203,533.23, 280,873.98 and 112,889.37 is: 155,786.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,533.23 : 280,873.98 = 112,889.37 : x
  2. Step 2: Convert to fraction form
    203,533.23/280,873.98 = 112,889.37/x
  3. Step 3: Cross multiply
    203,533.23x = 280,873.98 × 112,889.37
  4. Step 4: Simplify right side
    203,533.23x = 31,707,686,651.59
  5. Step 5: Solve for x
    x = 31,707,686,651.59/203,533.23
  6. Step 6: Final answer
    x = 155,786.29

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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.