Home / 236,966.10-355,465.55-79,174.05

Finding the Fourth Proportional to 236,966.10, 355,465.55 and 79,174.05

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Solution

The fourth proportional to 236,966.10, 355,465.55 and 79,174.05 is: 118,766.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,966.10 : 355,465.55 = 79,174.05 : x
  2. Step 2: Convert to fraction form
    236,966.10/355,465.55 = 79,174.05/x
  3. Step 3: Cross multiply
    236,966.10x = 355,465.55 × 79,174.05
  4. Step 4: Simplify right side
    236,966.10x = 28,143,647,228.98
  5. Step 5: Solve for x
    x = 28,143,647,228.98/236,966.10
  6. Step 6: Final answer
    x = 118,766.55

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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.