Home / 445,922.03-669,038.56-189,884.27

Finding the Fourth Proportional to 445,922.03, 669,038.56 and 189,884.27

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Solution

The fourth proportional to 445,922.03, 669,038.56 and 189,884.27 is: 284,892.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,922.03 : 669,038.56 = 189,884.27 : x
  2. Step 2: Convert to fraction form
    445,922.03/669,038.56 = 189,884.27/x
  3. Step 3: Cross multiply
    445,922.03x = 669,038.56 × 189,884.27
  4. Step 4: Simplify right side
    445,922.03x = 127,039,894,747.55
  5. Step 5: Solve for x
    x = 127,039,894,747.55/445,922.03
  6. Step 6: Final answer
    x = 284,892.62

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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.