Home / 143,406.91-197,955.66-123,182.83

Finding the Fourth Proportional to 143,406.91, 197,955.66 and 123,182.83

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Solution

The fourth proportional to 143,406.91, 197,955.66 and 123,182.83 is: 170,038.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,406.91 : 197,955.66 = 123,182.83 : x
  2. Step 2: Convert to fraction form
    143,406.91/197,955.66 = 123,182.83/x
  3. Step 3: Cross multiply
    143,406.91x = 197,955.66 × 123,182.83
  4. Step 4: Simplify right side
    143,406.91x = 24,384,738,413.32
  5. Step 5: Solve for x
    x = 24,384,738,413.32/143,406.91
  6. Step 6: Final answer
    x = 170,038.80

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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.