Home / 381,721.50-526,797.54-211,966.56

Finding the Fourth Proportional to 381,721.50, 526,797.54 and 211,966.56

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Solution

The fourth proportional to 381,721.50, 526,797.54 and 211,966.56 is: 292,526.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,721.50 : 526,797.54 = 211,966.56 : x
  2. Step 2: Convert to fraction form
    381,721.50/526,797.54 = 211,966.56/x
  3. Step 3: Cross multiply
    381,721.50x = 526,797.54 × 211,966.56
  4. Step 4: Simplify right side
    381,721.50x = 111,663,462,370.26
  5. Step 5: Solve for x
    x = 111,663,462,370.26/381,721.50
  6. Step 6: Final answer
    x = 292,526.00

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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.