Home / 433,246.80-649,620.06-133,646.94

Finding the Fourth Proportional to 433,246.80, 649,620.06 and 133,646.94

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Solution

The fourth proportional to 433,246.80, 649,620.06 and 133,646.94 is: 200,393.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,246.80 : 649,620.06 = 133,646.94 : x
  2. Step 2: Convert to fraction form
    433,246.80/649,620.06 = 133,646.94/x
  3. Step 3: Cross multiply
    433,246.80x = 649,620.06 × 133,646.94
  4. Step 4: Simplify right side
    433,246.80x = 86,819,733,181.62
  5. Step 5: Solve for x
    x = 86,819,733,181.62/433,246.80
  6. Step 6: Final answer
    x = 200,393.25

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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.