Home / 381,837.52-526,926.60-212,070.16

Finding the Fourth Proportional to 381,837.52, 526,926.60 and 212,070.16

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Solution

The fourth proportional to 381,837.52, 526,926.60 and 212,070.16 is: 292,651.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,837.52 : 526,926.60 = 212,070.16 : x
  2. Step 2: Convert to fraction form
    381,837.52/526,926.60 = 212,070.16/x
  3. Step 3: Cross multiply
    381,837.52x = 526,926.60 × 212,070.16
  4. Step 4: Simplify right side
    381,837.52x = 111,745,408,370.26
  5. Step 5: Solve for x
    x = 111,745,408,370.26/381,837.52
  6. Step 6: Final answer
    x = 292,651.72

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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.