Home / 179,183.22-247,189.77-107,438.55

Finding the Fourth Proportional to 179,183.22, 247,189.77 and 107,438.55

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Solution

The fourth proportional to 179,183.22, 247,189.77 and 107,438.55 is: 148,215.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,183.22 : 247,189.77 = 107,438.55 : x
  2. Step 2: Convert to fraction form
    179,183.22/247,189.77 = 107,438.55/x
  3. Step 3: Cross multiply
    179,183.22x = 247,189.77 × 107,438.55
  4. Step 4: Simplify right side
    179,183.22x = 26,557,710,463.63
  5. Step 5: Solve for x
    x = 26,557,710,463.63/179,183.22
  6. Step 6: Final answer
    x = 148,215.39

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1.5x scale

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.