Home / 433,268.49-649,842.60-133,758.93

Finding the Fourth Proportional to 433,268.49, 649,842.60 and 133,758.93

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Solution

The fourth proportional to 433,268.49, 649,842.60 and 133,758.93 is: 200,619.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,268.49 : 649,842.60 = 133,758.93 : x
  2. Step 2: Convert to fraction form
    433,268.49/649,842.60 = 133,758.93/x
  3. Step 3: Cross multiply
    433,268.49x = 649,842.60 × 133,758.93
  4. Step 4: Simplify right side
    433,268.49x = 86,922,250,844.42
  5. Step 5: Solve for x
    x = 86,922,250,844.42/433,268.49
  6. Step 6: Final answer
    x = 200,619.83

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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.