Home / 236,098.20-354,147.30-211,603.80

Finding the Fourth Proportional to 236,098.20, 354,147.30 and 211,603.80

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Solution

The fourth proportional to 236,098.20, 354,147.30 and 211,603.80 is: 317,405.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,098.20 : 354,147.30 = 211,603.80 : x
  2. Step 2: Convert to fraction form
    236,098.20/354,147.30 = 211,603.80/x
  3. Step 3: Cross multiply
    236,098.20x = 354,147.30 × 211,603.80
  4. Step 4: Simplify right side
    236,098.20x = 74,938,914,439.74
  5. Step 5: Solve for x
    x = 74,938,914,439.74/236,098.20
  6. Step 6: Final answer
    x = 317,405.70

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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.