Home / 236,823.20-355,234.80-211,018.40

Finding the Fourth Proportional to 236,823.20, 355,234.80 and 211,018.40

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Solution

The fourth proportional to 236,823.20, 355,234.80 and 211,018.40 is: 316,527.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,823.20 : 355,234.80 = 211,018.40 : x
  2. Step 2: Convert to fraction form
    236,823.20/355,234.80 = 211,018.40/x
  3. Step 3: Cross multiply
    236,823.20x = 355,234.80 × 211,018.40
  4. Step 4: Simplify right side
    236,823.20x = 74,961,079,120.32
  5. Step 5: Solve for x
    x = 74,961,079,120.32/236,823.20
  6. Step 6: Final answer
    x = 316,527.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.