Home / 236,938.35-355,469.84-85,150.76

Finding the Fourth Proportional to 236,938.35, 355,469.84 and 85,150.76

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Solution

The fourth proportional to 236,938.35, 355,469.84 and 85,150.76 is: 127,748.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,938.35 : 355,469.84 = 85,150.76 : x
  2. Step 2: Convert to fraction form
    236,938.35/355,469.84 = 85,150.76/x
  3. Step 3: Cross multiply
    236,938.35x = 355,469.84 × 85,150.76
  4. Step 4: Simplify right side
    236,938.35x = 30,268,524,829.98
  5. Step 5: Solve for x
    x = 30,268,524,829.98/236,938.35
  6. Step 6: Final answer
    x = 127,748.53

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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.