Home / 294,921.70-442,382.55-126,413.35

Finding the Fourth Proportional to 294,921.70, 442,382.55 and 126,413.35

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Solution

The fourth proportional to 294,921.70, 442,382.55 and 126,413.35 is: 189,620.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,921.70 : 442,382.55 = 126,413.35 : x
  2. Step 2: Convert to fraction form
    294,921.70/442,382.55 = 126,413.35/x
  3. Step 3: Cross multiply
    294,921.70x = 442,382.55 × 126,413.35
  4. Step 4: Simplify right side
    294,921.70x = 55,923,060,127.04
  5. Step 5: Solve for x
    x = 55,923,060,127.04/294,921.70
  6. Step 6: Final answer
    x = 189,620.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.