Home / 203,237.33-280,469.48-112,595.22

Finding the Fourth Proportional to 203,237.33, 280,469.48 and 112,595.22

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Solution

The fourth proportional to 203,237.33, 280,469.48 and 112,595.22 is: 155,382.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,237.33 : 280,469.48 = 112,595.22 : x
  2. Step 2: Convert to fraction form
    203,237.33/280,469.48 = 112,595.22/x
  3. Step 3: Cross multiply
    203,237.33x = 280,469.48 × 112,595.22
  4. Step 4: Simplify right side
    203,237.33x = 31,579,522,240.91
  5. Step 5: Solve for x
    x = 31,579,522,240.91/203,237.33
  6. Step 6: Final answer
    x = 155,382.49

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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.