Home / 130,284.36-179,546.70-104,413.52

Finding the Fourth Proportional to 130,284.36, 179,546.70 and 104,413.52

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Solution

The fourth proportional to 130,284.36, 179,546.70 and 104,413.52 is: 143,893.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    130,284.36 : 179,546.70 = 104,413.52 : x
  2. Step 2: Convert to fraction form
    130,284.36/179,546.70 = 104,413.52/x
  3. Step 3: Cross multiply
    130,284.36x = 179,546.70 × 104,413.52
  4. Step 4: Simplify right side
    130,284.36x = 18,747,102,951.38
  5. Step 5: Solve for x
    x = 18,747,102,951.38/130,284.36
  6. Step 6: Final answer
    x = 143,893.73

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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.