Home / 199,967.24-275,955.77-109,323.21

Finding the Fourth Proportional to 199,967.24, 275,955.77 and 109,323.21

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Solution

The fourth proportional to 199,967.24, 275,955.77 and 109,323.21 is: 150,866.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,967.24 : 275,955.77 = 109,323.21 : x
  2. Step 2: Convert to fraction form
    199,967.24/275,955.77 = 109,323.21/x
  3. Step 3: Cross multiply
    199,967.24x = 275,955.77 × 109,323.21
  4. Step 4: Simplify right side
    199,967.24x = 30,168,370,594.42
  5. Step 5: Solve for x
    x = 30,168,370,594.42/199,967.24
  6. Step 6: Final answer
    x = 150,866.56

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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.