Home / 201,982.30-302,981.10-75,609.24

Finding the Fourth Proportional to 201,982.30, 302,981.10 and 75,609.24

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Solution

The fourth proportional to 201,982.30, 302,981.10 and 75,609.24 is: 113,416.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,982.30 : 302,981.10 = 75,609.24 : x
  2. Step 2: Convert to fraction form
    201,982.30/302,981.10 = 75,609.24/x
  3. Step 3: Cross multiply
    201,982.30x = 302,981.10 × 75,609.24
  4. Step 4: Simplify right side
    201,982.30x = 22,908,170,705.36
  5. Step 5: Solve for x
    x = 22,908,170,705.36/201,982.30
  6. Step 6: Final answer
    x = 113,416.72

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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.