Home / 179,464.80-247,651.20-102,967.68

Finding the Fourth Proportional to 179,464.80, 247,651.20 and 102,967.68

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Solution

The fourth proportional to 179,464.80, 247,651.20 and 102,967.68 is: 142,089.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,464.80 : 247,651.20 = 102,967.68 : x
  2. Step 2: Convert to fraction form
    179,464.80/247,651.20 = 102,967.68/x
  3. Step 3: Cross multiply
    179,464.80x = 247,651.20 × 102,967.68
  4. Step 4: Simplify right side
    179,464.80x = 25,500,069,513.22
  5. Step 5: Solve for x
    x = 25,500,069,513.22/179,464.80
  6. Step 6: Final answer
    x = 142,089.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.