Home / 381,118.05-526,277.52-238,122.27

Finding the Fourth Proportional to 381,118.05, 526,277.52 and 238,122.27

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Solution

The fourth proportional to 381,118.05, 526,277.52 and 238,122.27 is: 328,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,118.05 : 526,277.52 = 238,122.27 : x
  2. Step 2: Convert to fraction form
    381,118.05/526,277.52 = 238,122.27/x
  3. Step 3: Cross multiply
    381,118.05x = 526,277.52 × 238,122.27
  4. Step 4: Simplify right side
    381,118.05x = 125,318,397,712.37
  5. Step 5: Solve for x
    x = 125,318,397,712.37/381,118.05
  6. Step 6: Final answer
    x = 328,817.80

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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.