Home / 381,225.26-526,091.38-211,459.38

Finding the Fourth Proportional to 381,225.26, 526,091.38 and 211,459.38

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Solution

The fourth proportional to 381,225.26, 526,091.38 and 211,459.38 is: 291,814.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,225.26 : 526,091.38 = 211,459.38 : x
  2. Step 2: Convert to fraction form
    381,225.26/526,091.38 = 211,459.38/x
  3. Step 3: Cross multiply
    381,225.26x = 526,091.38 × 211,459.38
  4. Step 4: Simplify right side
    381,225.26x = 111,246,957,038.14
  5. Step 5: Solve for x
    x = 111,246,957,038.14/381,225.26
  6. Step 6: Final answer
    x = 291,814.23

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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.