Home / 433,269.70-649,904.55-133,723.60

Finding the Fourth Proportional to 433,269.70, 649,904.55 and 133,723.60

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Solution

The fourth proportional to 433,269.70, 649,904.55 and 133,723.60 is: 200,585.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    433,269.70 : 649,904.55 = 133,723.60 : x
  2. Step 2: Convert to fraction form
    433,269.70/649,904.55 = 133,723.60/x
  3. Step 3: Cross multiply
    433,269.70x = 649,904.55 × 133,723.60
  4. Step 4: Simplify right side
    433,269.70x = 86,907,576,082.38
  5. Step 5: Solve for x
    x = 86,907,576,082.38/433,269.70
  6. Step 6: Final answer
    x = 200,585.40

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Similar ratio
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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.