Home / 199,708.52-275,531.37-131,759.24

Finding the Fourth Proportional to 199,708.52, 275,531.37 and 131,759.24

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Solution

The fourth proportional to 199,708.52, 275,531.37 and 131,759.24 is: 181,783.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,708.52 : 275,531.37 = 131,759.24 : x
  2. Step 2: Convert to fraction form
    199,708.52/275,531.37 = 131,759.24/x
  3. Step 3: Cross multiply
    199,708.52x = 275,531.37 × 131,759.24
  4. Step 4: Simplify right side
    199,708.52x = 36,303,803,907.36
  5. Step 5: Solve for x
    x = 36,303,803,907.36/199,708.52
  6. Step 6: Final answer
    x = 181,783.95

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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.