Home / 236,958.39-355,437.59-79,186.85

Finding the Fourth Proportional to 236,958.39, 355,437.59 and 79,186.85

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Solution

The fourth proportional to 236,958.39, 355,437.59 and 79,186.85 is: 118,780.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,958.39 : 355,437.59 = 79,186.85 : x
  2. Step 2: Convert to fraction form
    236,958.39/355,437.59 = 79,186.85/x
  3. Step 3: Cross multiply
    236,958.39x = 355,437.59 × 79,186.85
  4. Step 4: Simplify right side
    236,958.39x = 28,145,981,247.52
  5. Step 5: Solve for x
    x = 28,145,981,247.52/236,958.39
  6. Step 6: Final answer
    x = 118,780.27

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1.5x scale

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.