Home / 381,337.18-526,238.30-211,567.66

Finding the Fourth Proportional to 381,337.18, 526,238.30 and 211,567.66

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Solution

The fourth proportional to 381,337.18, 526,238.30 and 211,567.66 is: 291,959.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,337.18 : 526,238.30 = 211,567.66 : x
  2. Step 2: Convert to fraction form
    381,337.18/526,238.30 = 211,567.66/x
  3. Step 3: Cross multiply
    381,337.18x = 526,238.30 × 211,567.66
  4. Step 4: Simplify right side
    381,337.18x = 111,335,005,733.38
  5. Step 5: Solve for x
    x = 111,335,005,733.38/381,337.18
  6. Step 6: Final answer
    x = 291,959.48

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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.