Home / 104,160.02-143,740.78-56,413.37

Finding the Fourth Proportional to 104,160.02, 143,740.78 and 56,413.37

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Solution

The fourth proportional to 104,160.02, 143,740.78 and 56,413.37 is: 77,850.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,160.02 : 143,740.78 = 56,413.37 : x
  2. Step 2: Convert to fraction form
    104,160.02/143,740.78 = 56,413.37/x
  3. Step 3: Cross multiply
    104,160.02x = 143,740.78 × 56,413.37
  4. Step 4: Simplify right side
    104,160.02x = 8,108,901,806.23
  5. Step 5: Solve for x
    x = 8,108,901,806.23/104,160.02
  6. Step 6: Final answer
    x = 77,850.42

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1.5x scale

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.