Home / 351,091.28-484,505.72-189,946.38

Finding the Fourth Proportional to 351,091.28, 484,505.72 and 189,946.38

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Solution

The fourth proportional to 351,091.28, 484,505.72 and 189,946.38 is: 262,125.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,091.28 : 484,505.72 = 189,946.38 : x
  2. Step 2: Convert to fraction form
    351,091.28/484,505.72 = 189,946.38/x
  3. Step 3: Cross multiply
    351,091.28x = 484,505.72 × 189,946.38
  4. Step 4: Simplify right side
    351,091.28x = 92,030,107,603.29
  5. Step 5: Solve for x
    x = 92,030,107,603.29/351,091.28
  6. Step 6: Final answer
    x = 262,125.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.