Home / 381,186.07-526,099.76-211,474.87

Finding the Fourth Proportional to 381,186.07, 526,099.76 and 211,474.87

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Solution

The fourth proportional to 381,186.07, 526,099.76 and 211,474.87 is: 291,870.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,186.07 : 526,099.76 = 211,474.87 : x
  2. Step 2: Convert to fraction form
    381,186.07/526,099.76 = 211,474.87/x
  3. Step 3: Cross multiply
    381,186.07x = 526,099.76 × 211,474.87
  4. Step 4: Simplify right side
    381,186.07x = 111,256,876,773.44
  5. Step 5: Solve for x
    x = 111,256,876,773.44/381,186.07
  6. Step 6: Final answer
    x = 291,870.26

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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.