Home / 288,467.82-432,707.33-88,788.02

Finding the Fourth Proportional to 288,467.82, 432,707.33 and 88,788.02

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Solution

The fourth proportional to 288,467.82, 432,707.33 and 88,788.02 is: 133,183.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,467.82 : 432,707.33 = 88,788.02 : x
  2. Step 2: Convert to fraction form
    288,467.82/432,707.33 = 88,788.02/x
  3. Step 3: Cross multiply
    288,467.82x = 432,707.33 × 88,788.02
  4. Step 4: Simplify right side
    288,467.82x = 38,419,228,405.01
  5. Step 5: Solve for x
    x = 38,419,228,405.01/288,467.82
  6. Step 6: Final answer
    x = 133,183.76

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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.