Home / 114,715.36-158,309.04-64,413.28

Finding the Fourth Proportional to 114,715.36, 158,309.04 and 64,413.28

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Solution

The fourth proportional to 114,715.36, 158,309.04 and 64,413.28 is: 88,891.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,715.36 : 158,309.04 = 64,413.28 : x
  2. Step 2: Convert to fraction form
    114,715.36/158,309.04 = 64,413.28/x
  3. Step 3: Cross multiply
    114,715.36x = 158,309.04 × 64,413.28
  4. Step 4: Simplify right side
    114,715.36x = 10,197,204,520.05
  5. Step 5: Solve for x
    x = 10,197,204,520.05/114,715.36
  6. Step 6: Final answer
    x = 88,891.36

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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.