Home / 158,183.34-218,293.01-86,563.36

Finding the Fourth Proportional to 158,183.34, 218,293.01 and 86,563.36

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Solution

The fourth proportional to 158,183.34, 218,293.01 and 86,563.36 is: 119,457.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    158,183.34 : 218,293.01 = 86,563.36 : x
  2. Step 2: Convert to fraction form
    158,183.34/218,293.01 = 86,563.36/x
  3. Step 3: Cross multiply
    158,183.34x = 218,293.01 × 86,563.36
  4. Step 4: Simplify right side
    158,183.34x = 18,896,175,977.30
  5. Step 5: Solve for x
    x = 18,896,175,977.30/158,183.34
  6. Step 6: Final answer
    x = 119,457.44

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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.