Home / 189,933.72-284,916.78-49,692.12

Finding the Fourth Proportional to 189,933.72, 284,916.78 and 49,692.12

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Solution

The fourth proportional to 189,933.72, 284,916.78 and 49,692.12 is: 74,542.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,933.72 : 284,916.78 = 49,692.12 : x
  2. Step 2: Convert to fraction form
    189,933.72/284,916.78 = 49,692.12/x
  3. Step 3: Cross multiply
    189,933.72x = 284,916.78 × 49,692.12
  4. Step 4: Simplify right side
    189,933.72x = 14,158,118,821.77
  5. Step 5: Solve for x
    x = 14,158,118,821.77/189,933.72
  6. Step 6: Final answer
    x = 74,542.42

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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.