Home / 201,734.40-302,601.60-198,235.20

Finding the Fourth Proportional to 201,734.40, 302,601.60 and 198,235.20

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Solution

The fourth proportional to 201,734.40, 302,601.60 and 198,235.20 is: 297,352.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,734.40 : 302,601.60 = 198,235.20 : x
  2. Step 2: Convert to fraction form
    201,734.40/302,601.60 = 198,235.20/x
  3. Step 3: Cross multiply
    201,734.40x = 302,601.60 × 198,235.20
  4. Step 4: Simplify right side
    201,734.40x = 59,986,288,696.32
  5. Step 5: Solve for x
    x = 59,986,288,696.32/201,734.40
  6. Step 6: Final answer
    x = 297,352.80

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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.