Home / 180,479.08-270,984.73-100,672.97

Finding the Fourth Proportional to 180,479.08, 270,984.73 and 100,672.97

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Solution

The fourth proportional to 180,479.08, 270,984.73 and 100,672.97 is: 151,157.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    180,479.08 : 270,984.73 = 100,672.97 : x
  2. Step 2: Convert to fraction form
    180,479.08/270,984.73 = 100,672.97/x
  3. Step 3: Cross multiply
    180,479.08x = 270,984.73 × 100,672.97
  4. Step 4: Simplify right side
    180,479.08x = 27,280,837,593.75
  5. Step 5: Solve for x
    x = 27,280,837,593.75/180,479.08
  6. Step 6: Final answer
    x = 151,157.89

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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.