Home / 235,413.70-324,873.64-127,981.38

Finding the Fourth Proportional to 235,413.70, 324,873.64 and 127,981.38

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Solution

The fourth proportional to 235,413.70, 324,873.64 and 127,981.38 is: 176,615.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,413.70 : 324,873.64 = 127,981.38 : x
  2. Step 2: Convert to fraction form
    235,413.70/324,873.64 = 127,981.38/x
  3. Step 3: Cross multiply
    235,413.70x = 324,873.64 × 127,981.38
  4. Step 4: Simplify right side
    235,413.70x = 41,577,776,772.82
  5. Step 5: Solve for x
    x = 41,577,776,772.82/235,413.70
  6. Step 6: Final answer
    x = 176,615.79

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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.