Home / 201,738.90-302,608.35-170,246.10

Finding the Fourth Proportional to 201,738.90, 302,608.35 and 170,246.10

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Solution

The fourth proportional to 201,738.90, 302,608.35 and 170,246.10 is: 255,369.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,738.90 : 302,608.35 = 170,246.10 : x
  2. Step 2: Convert to fraction form
    201,738.90/302,608.35 = 170,246.10/x
  3. Step 3: Cross multiply
    201,738.90x = 302,608.35 × 170,246.10
  4. Step 4: Simplify right side
    201,738.90x = 51,517,891,414.94
  5. Step 5: Solve for x
    x = 51,517,891,414.94/201,738.90
  6. Step 6: Final answer
    x = 255,369.15

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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.