Home / 109,055.50-150,438.27-73,183.84

Finding the Fourth Proportional to 109,055.50, 150,438.27 and 73,183.84

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Solution

The fourth proportional to 109,055.50, 150,438.27 and 73,183.84 is: 100,954.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,055.50 : 150,438.27 = 73,183.84 : x
  2. Step 2: Convert to fraction form
    109,055.50/150,438.27 = 73,183.84/x
  3. Step 3: Cross multiply
    109,055.50x = 150,438.27 × 73,183.84
  4. Step 4: Simplify right side
    109,055.50x = 11,009,650,281.56
  5. Step 5: Solve for x
    x = 11,009,650,281.56/109,055.50
  6. Step 6: Final answer
    x = 100,954.56

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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.