Home / 203,151.00-280,255.34-131,554.09

Finding the Fourth Proportional to 203,151.00, 280,255.34 and 131,554.09

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Solution

The fourth proportional to 203,151.00, 280,255.34 and 131,554.09 is: 181,484.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,151.00 : 280,255.34 = 131,554.09 : x
  2. Step 2: Convert to fraction form
    203,151.00/280,255.34 = 131,554.09/x
  3. Step 3: Cross multiply
    203,151.00x = 280,255.34 × 131,554.09
  4. Step 4: Simplify right side
    203,151.00x = 36,868,736,900.55
  5. Step 5: Solve for x
    x = 36,868,736,900.55/203,151.00
  6. Step 6: Final answer
    x = 181,484.39

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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.