Home / 144,075.36-198,824.24-80,413.16

Finding the Fourth Proportional to 144,075.36, 198,824.24 and 80,413.16

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Solution

The fourth proportional to 144,075.36, 198,824.24 and 80,413.16 is: 110,970.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,075.36 : 198,824.24 = 80,413.16 : x
  2. Step 2: Convert to fraction form
    144,075.36/198,824.24 = 80,413.16/x
  3. Step 3: Cross multiply
    144,075.36x = 198,824.24 × 80,413.16
  4. Step 4: Simplify right side
    144,075.36x = 15,988,085,423.00
  5. Step 5: Solve for x
    x = 15,988,085,423.00/144,075.36
  6. Step 6: Final answer
    x = 110,970.30

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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.