Home / 204,019.23-306,028.60-70,899.50

Finding the Fourth Proportional to 204,019.23, 306,028.60 and 70,899.50

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Solution

The fourth proportional to 204,019.23, 306,028.60 and 70,899.50 is: 106,349.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,019.23 : 306,028.60 = 70,899.50 : x
  2. Step 2: Convert to fraction form
    204,019.23/306,028.60 = 70,899.50/x
  3. Step 3: Cross multiply
    204,019.23x = 306,028.60 × 70,899.50
  4. Step 4: Simplify right side
    204,019.23x = 21,697,274,725.70
  5. Step 5: Solve for x
    x = 21,697,274,725.70/204,019.23
  6. Step 6: Final answer
    x = 106,349.16

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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.