Home / 236,946.60-355,438.26-79,175.61

Finding the Fourth Proportional to 236,946.60, 355,438.26 and 79,175.61

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Solution

The fourth proportional to 236,946.60, 355,438.26 and 79,175.61 is: 118,769.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,946.60 : 355,438.26 = 79,175.61 : x
  2. Step 2: Convert to fraction form
    236,946.60/355,438.26 = 79,175.61/x
  3. Step 3: Cross multiply
    236,946.60x = 355,438.26 × 79,175.61
  4. Step 4: Simplify right side
    236,946.60x = 28,142,041,052.84
  5. Step 5: Solve for x
    x = 28,142,041,052.84/236,946.60
  6. Step 6: Final answer
    x = 118,769.55

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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.