Home / 150,413.70-225,571.34-70,426.91

Finding the Fourth Proportional to 150,413.70, 225,571.34 and 70,426.91

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Solution

The fourth proportional to 150,413.70, 225,571.34 and 70,426.91 is: 105,617.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,413.70 : 225,571.34 = 70,426.91 : x
  2. Step 2: Convert to fraction form
    150,413.70/225,571.34 = 70,426.91/x
  3. Step 3: Cross multiply
    150,413.70x = 225,571.34 × 70,426.91
  4. Step 4: Simplify right side
    150,413.70x = 15,886,293,200.76
  5. Step 5: Solve for x
    x = 15,886,293,200.76/150,413.70
  6. Step 6: Final answer
    x = 105,617.33

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1.5x scale

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.