Home / 236,851.20-355,190.40-79,084.80

Finding the Fourth Proportional to 236,851.20, 355,190.40 and 79,084.80

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Solution

The fourth proportional to 236,851.20, 355,190.40 and 79,084.80 is: 118,598.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,851.20 : 355,190.40 = 79,084.80 : x
  2. Step 2: Convert to fraction form
    236,851.20/355,190.40 = 79,084.80/x
  3. Step 3: Cross multiply
    236,851.20x = 355,190.40 × 79,084.80
  4. Step 4: Simplify right side
    236,851.20x = 28,090,161,745.92
  5. Step 5: Solve for x
    x = 28,090,161,745.92/236,851.20
  6. Step 6: Final answer
    x = 118,598.35

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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.