Home / 199,785.35-275,711.99-114,902.43

Finding the Fourth Proportional to 199,785.35, 275,711.99 and 114,902.43

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Solution

The fourth proportional to 199,785.35, 275,711.99 and 114,902.43 is: 158,570.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,785.35 : 275,711.99 = 114,902.43 : x
  2. Step 2: Convert to fraction form
    199,785.35/275,711.99 = 114,902.43/x
  3. Step 3: Cross multiply
    199,785.35x = 275,711.99 × 114,902.43
  4. Step 4: Simplify right side
    199,785.35x = 31,679,977,056.62
  5. Step 5: Solve for x
    x = 31,679,977,056.62/199,785.35
  6. Step 6: Final answer
    x = 158,570.07

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.