Home / 381,835.52-526,923.84-212,068.16

Finding the Fourth Proportional to 381,835.52, 526,923.84 and 212,068.16

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Solution

The fourth proportional to 381,835.52, 526,923.84 and 212,068.16 is: 292,648.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    381,835.52 : 526,923.84 = 212,068.16 : x
  2. Step 2: Convert to fraction form
    381,835.52/526,923.84 = 212,068.16/x
  3. Step 3: Cross multiply
    381,835.52x = 526,923.84 × 212,068.16
  4. Step 4: Simplify right side
    381,835.52x = 111,743,769,208.93
  5. Step 5: Solve for x
    x = 111,743,769,208.93/381,835.52
  6. Step 6: Final answer
    x = 292,648.96

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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.