Home / 432,923.16-649,469.79-133,352.76

Finding the Fourth Proportional to 432,923.16, 649,469.79 and 133,352.76

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Solution

The fourth proportional to 432,923.16, 649,469.79 and 133,352.76 is: 200,055.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,923.16 : 649,469.79 = 133,352.76 : x
  2. Step 2: Convert to fraction form
    432,923.16/649,469.79 = 133,352.76/x
  3. Step 3: Cross multiply
    432,923.16x = 649,469.79 × 133,352.76
  4. Step 4: Simplify right side
    432,923.16x = 86,608,589,033.12
  5. Step 5: Solve for x
    x = 86,608,589,033.12/432,923.16
  6. Step 6: Final answer
    x = 200,055.34

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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.