Home / 235,413.35-324,874.12-127,983.79

Finding the Fourth Proportional to 235,413.35, 324,874.12 and 127,983.79

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Solution

The fourth proportional to 235,413.35, 324,874.12 and 127,983.79 is: 176,619.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,413.35 : 324,874.12 = 127,983.79 : x
  2. Step 2: Convert to fraction form
    235,413.35/324,874.12 = 127,983.79/x
  3. Step 3: Cross multiply
    235,413.35x = 324,874.12 × 127,983.79
  4. Step 4: Simplify right side
    235,413.35x = 41,578,621,150.51
  5. Step 5: Solve for x
    x = 41,578,621,150.51/235,413.35
  6. Step 6: Final answer
    x = 176,619.64

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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.