Home / 384,033.72-576,050.84-131,316.08

Finding the Fourth Proportional to 384,033.72, 576,050.84 and 131,316.08

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Solution

The fourth proportional to 384,033.72, 576,050.84 and 131,316.08 is: 196,974.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,033.72 : 576,050.84 = 131,316.08 : x
  2. Step 2: Convert to fraction form
    384,033.72/576,050.84 = 131,316.08/x
  3. Step 3: Cross multiply
    384,033.72x = 576,050.84 × 131,316.08
  4. Step 4: Simplify right side
    384,033.72x = 75,644,738,189.51
  5. Step 5: Solve for x
    x = 75,644,738,189.51/384,033.72
  6. Step 6: Final answer
    x = 196,974.21

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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.