Home / 236,947.58-355,439.74-79,176.60

Finding the Fourth Proportional to 236,947.58, 355,439.74 and 79,176.60

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Solution

The fourth proportional to 236,947.58, 355,439.74 and 79,176.60 is: 118,771.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,947.58 : 355,439.74 = 79,176.60 : x
  2. Step 2: Convert to fraction form
    236,947.58/355,439.74 = 79,176.60/x
  3. Step 3: Cross multiply
    236,947.58x = 355,439.74 × 79,176.60
  4. Step 4: Simplify right side
    236,947.58x = 28,142,510,118.08
  5. Step 5: Solve for x
    x = 28,142,510,118.08/236,947.58
  6. Step 6: Final answer
    x = 118,771.04

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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.