Home / 115,120.44-158,909.58-67,389.24

Finding the Fourth Proportional to 115,120.44, 158,909.58 and 67,389.24

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Solution

The fourth proportional to 115,120.44, 158,909.58 and 67,389.24 is: 93,022.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,120.44 : 158,909.58 = 67,389.24 : x
  2. Step 2: Convert to fraction form
    115,120.44/158,909.58 = 67,389.24/x
  3. Step 3: Cross multiply
    115,120.44x = 158,909.58 × 67,389.24
  4. Step 4: Simplify right side
    115,120.44x = 10,708,795,824.92
  5. Step 5: Solve for x
    x = 10,708,795,824.92/115,120.44
  6. Step 6: Final answer
    x = 93,022.54

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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.