Home / 199,323.24-275,069.70-108,679.92

Finding the Fourth Proportional to 199,323.24, 275,069.70 and 108,679.92

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Solution

The fourth proportional to 199,323.24, 275,069.70 and 108,679.92 is: 149,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,323.24 : 275,069.70 = 108,679.92 : x
  2. Step 2: Convert to fraction form
    199,323.24/275,069.70 = 108,679.92/x
  3. Step 3: Cross multiply
    199,323.24x = 275,069.70 × 108,679.92
  4. Step 4: Simplify right side
    199,323.24x = 29,894,552,990.42
  5. Step 5: Solve for x
    x = 29,894,552,990.42/199,323.24
  6. Step 6: Final answer
    x = 149,980.27

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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.