Home / 165,002.87-247,464.62-76,171.08

Finding the Fourth Proportional to 165,002.87, 247,464.62 and 76,171.08

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Solution

The fourth proportional to 165,002.87, 247,464.62 and 76,171.08 is: 114,238.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,002.87 : 247,464.62 = 76,171.08 : x
  2. Step 2: Convert to fraction form
    165,002.87/247,464.62 = 76,171.08/x
  3. Step 3: Cross multiply
    165,002.87x = 247,464.62 × 76,171.08
  4. Step 4: Simplify right side
    165,002.87x = 18,849,648,199.97
  5. Step 5: Solve for x
    x = 18,849,648,199.97/165,002.87
  6. Step 6: Final answer
    x = 114,238.30

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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.