Home / 381,215.22-526,180.23-237,890.58

Finding the Fourth Proportional to 381,215.22, 526,180.23 and 237,890.58

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Solution

The fourth proportional to 381,215.22, 526,180.23 and 237,890.58 is: 328,353.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,215.22 : 526,180.23 = 237,890.58 : x
  2. Step 2: Convert to fraction form
    381,215.22/526,180.23 = 237,890.58/x
  3. Step 3: Cross multiply
    381,215.22x = 526,180.23 × 237,890.58
  4. Step 4: Simplify right side
    381,215.22x = 125,173,320,099.23
  5. Step 5: Solve for x
    x = 125,173,320,099.23/381,215.22
  6. Step 6: Final answer
    x = 328,353.42

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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.