Home / 158,183.21-218,292.83-86,563.24

Finding the Fourth Proportional to 158,183.21, 218,292.83 and 86,563.24

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Solution

The fourth proportional to 158,183.21, 218,292.83 and 86,563.24 is: 119,457.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,183.21 : 218,292.83 = 86,563.24 : x
  2. Step 2: Convert to fraction form
    158,183.21/218,292.83 = 86,563.24/x
  3. Step 3: Cross multiply
    158,183.21x = 218,292.83 × 86,563.24
  4. Step 4: Simplify right side
    158,183.21x = 18,896,134,633.57
  5. Step 5: Solve for x
    x = 18,896,134,633.57/158,183.21
  6. Step 6: Final answer
    x = 119,457.27

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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.