Home / 189,559.73-284,260.54-77,163.65

Finding the Fourth Proportional to 189,559.73, 284,260.54 and 77,163.65

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Solution

The fourth proportional to 189,559.73, 284,260.54 and 77,163.65 is: 115,713.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,559.73 : 284,260.54 = 77,163.65 : x
  2. Step 2: Convert to fraction form
    189,559.73/284,260.54 = 77,163.65/x
  3. Step 3: Cross multiply
    189,559.73x = 284,260.54 × 77,163.65
  4. Step 4: Simplify right side
    189,559.73x = 21,934,579,203.16
  5. Step 5: Solve for x
    x = 21,934,579,203.16/189,559.73
  6. Step 6: Final answer
    x = 115,713.29

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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.