Home / 236,943.46-355,433.55-79,172.47

Finding the Fourth Proportional to 236,943.46, 355,433.55 and 79,172.47

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Solution

The fourth proportional to 236,943.46, 355,433.55 and 79,172.47 is: 118,764.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,943.46 : 355,433.55 = 79,172.47 : x
  2. Step 2: Convert to fraction form
    236,943.46/355,433.55 = 79,172.47/x
  3. Step 3: Cross multiply
    236,943.46x = 355,433.55 × 79,172.47
  4. Step 4: Simplify right side
    236,943.46x = 28,140,552,074.37
  5. Step 5: Solve for x
    x = 28,140,552,074.37/236,943.46
  6. Step 6: Final answer
    x = 118,764.84

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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.