Home / 381,836.52-526,925.22-212,069.16

Finding the Fourth Proportional to 381,836.52, 526,925.22 and 212,069.16

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Solution

The fourth proportional to 381,836.52, 526,925.22 and 212,069.16 is: 292,650.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,836.52 : 526,925.22 = 212,069.16 : x
  2. Step 2: Convert to fraction form
    381,836.52/526,925.22 = 212,069.16/x
  3. Step 3: Cross multiply
    381,836.52x = 526,925.22 × 212,069.16
  4. Step 4: Simplify right side
    381,836.52x = 111,744,588,788.22
  5. Step 5: Solve for x
    x = 111,744,588,788.22/381,836.52
  6. Step 6: Final answer
    x = 292,650.34

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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.