Home / 236,163.40-354,014.70-211,280.20

Finding the Fourth Proportional to 236,163.40, 354,014.70 and 211,280.20

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Solution

The fourth proportional to 236,163.40, 354,014.70 and 211,280.20 is: 316,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,163.40 : 354,014.70 = 211,280.20 : x
  2. Step 2: Convert to fraction form
    236,163.40/354,014.70 = 211,280.20/x
  3. Step 3: Cross multiply
    236,163.40x = 354,014.70 × 211,280.20
  4. Step 4: Simplify right side
    236,163.40x = 74,796,296,618.94
  5. Step 5: Solve for x
    x = 74,796,296,618.94/236,163.40
  6. Step 6: Final answer
    x = 316,714.18

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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.