Home / 201,404.20-302,096.70-68,271.40

Finding the Fourth Proportional to 201,404.20, 302,096.70 and 68,271.40

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Solution

The fourth proportional to 201,404.20, 302,096.70 and 68,271.40 is: 102,403.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    201,404.20 : 302,096.70 = 68,271.40 : x
  2. Step 2: Convert to fraction form
    201,404.20/302,096.70 = 68,271.40/x
  3. Step 3: Cross multiply
    201,404.20x = 302,096.70 × 68,271.40
  4. Step 4: Simplify right side
    201,404.20x = 20,624,564,644.38
  5. Step 5: Solve for x
    x = 20,624,564,644.38/201,404.20
  6. Step 6: Final answer
    x = 102,403.85

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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.