Home / 204,021.70-306,032.55-70,915.41

Finding the Fourth Proportional to 204,021.70, 306,032.55 and 70,915.41

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Solution

The fourth proportional to 204,021.70, 306,032.55 and 70,915.41 is: 106,373.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,021.70 : 306,032.55 = 70,915.41 : x
  2. Step 2: Convert to fraction form
    204,021.70/306,032.55 = 70,915.41/x
  3. Step 3: Cross multiply
    204,021.70x = 306,032.55 × 70,915.41
  4. Step 4: Simplify right side
    204,021.70x = 21,702,423,756.60
  5. Step 5: Solve for x
    x = 21,702,423,756.60/204,021.70
  6. Step 6: Final answer
    x = 106,373.12

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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.