Home / 236,943.59-355,433.74-79,172.60

Finding the Fourth Proportional to 236,943.59, 355,433.74 and 79,172.60

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Solution

The fourth proportional to 236,943.59, 355,433.74 and 79,172.60 is: 118,765.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.59 : 355,433.74 = 79,172.60 : x
  2. Step 2: Convert to fraction form
    236,943.59/355,433.74 = 79,172.60/x
  3. Step 3: Cross multiply
    236,943.59x = 355,433.74 × 79,172.60
  4. Step 4: Simplify right side
    236,943.59x = 28,140,611,348.42
  5. Step 5: Solve for x
    x = 28,140,611,348.42/236,943.59
  6. Step 6: Final answer
    x = 118,765.03

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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.