Home / 166,753.18-230,321.37-121,359.16

Finding the Fourth Proportional to 166,753.18, 230,321.37 and 121,359.16

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Solution

The fourth proportional to 166,753.18, 230,321.37 and 121,359.16 is: 167,622.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,753.18 : 230,321.37 = 121,359.16 : x
  2. Step 2: Convert to fraction form
    166,753.18/230,321.37 = 121,359.16/x
  3. Step 3: Cross multiply
    166,753.18x = 230,321.37 × 121,359.16
  4. Step 4: Simplify right side
    166,753.18x = 27,951,607,993.25
  5. Step 5: Solve for x
    x = 27,951,607,993.25/166,753.18
  6. Step 6: Final answer
    x = 167,622.64

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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.