Home / 179,986.36-248,383.56-99,413.68

Finding the Fourth Proportional to 179,986.36, 248,383.56 and 99,413.68

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Solution

The fourth proportional to 179,986.36, 248,383.56 and 99,413.68 is: 137,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,986.36 : 248,383.56 = 99,413.68 : x
  2. Step 2: Convert to fraction form
    179,986.36/248,383.56 = 99,413.68/x
  3. Step 3: Cross multiply
    179,986.36x = 248,383.56 × 99,413.68
  4. Step 4: Simplify right side
    179,986.36x = 24,692,723,751.10
  5. Step 5: Solve for x
    x = 24,692,723,751.10/179,986.36
  6. Step 6: Final answer
    x = 137,192.19

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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.