Home / 189,832.82-284,641.43-77,381.33

Finding the Fourth Proportional to 189,832.82, 284,641.43 and 77,381.33

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Solution

The fourth proportional to 189,832.82, 284,641.43 and 77,381.33 is: 116,028.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,832.82 : 284,641.43 = 77,381.33 : x
  2. Step 2: Convert to fraction form
    189,832.82/284,641.43 = 77,381.33/x
  3. Step 3: Cross multiply
    189,832.82x = 284,641.43 × 77,381.33
  4. Step 4: Simplify right side
    189,832.82x = 22,025,930,616.39
  5. Step 5: Solve for x
    x = 22,025,930,616.39/189,832.82
  6. Step 6: Final answer
    x = 116,028.05

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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.