Home / 381,280.24-526,166.94-211,514.50

Finding the Fourth Proportional to 381,280.24, 526,166.94 and 211,514.50

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Solution

The fourth proportional to 381,280.24, 526,166.94 and 211,514.50 is: 291,890.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,280.24 : 526,166.94 = 211,514.50 : x
  2. Step 2: Convert to fraction form
    381,280.24/526,166.94 = 211,514.50/x
  3. Step 3: Cross multiply
    381,280.24x = 526,166.94 × 211,514.50
  4. Step 4: Simplify right side
    381,280.24x = 111,291,937,230.63
  5. Step 5: Solve for x
    x = 111,291,937,230.63/381,280.24
  6. Step 6: Final answer
    x = 291,890.13

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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.