Home / 433,246.92-649,620.23-133,647.06

Finding the Fourth Proportional to 433,246.92, 649,620.23 and 133,647.06

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Solution

The fourth proportional to 433,246.92, 649,620.23 and 133,647.06 is: 200,393.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,246.92 : 649,620.23 = 133,647.06 : x
  2. Step 2: Convert to fraction form
    433,246.92/649,620.23 = 133,647.06/x
  3. Step 3: Cross multiply
    433,246.92x = 649,620.23 × 133,647.06
  4. Step 4: Simplify right side
    433,246.92x = 86,819,833,856.02
  5. Step 5: Solve for x
    x = 86,819,833,856.02/433,246.92
  6. Step 6: Final answer
    x = 200,393.42

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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.