Home / 166,887.88-230,305.64-90,406.64

Finding the Fourth Proportional to 166,887.88, 230,305.64 and 90,406.64

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Solution

The fourth proportional to 166,887.88, 230,305.64 and 90,406.64 is: 124,761.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,887.88 : 230,305.64 = 90,406.64 : x
  2. Step 2: Convert to fraction form
    166,887.88/230,305.64 = 90,406.64/x
  3. Step 3: Cross multiply
    166,887.88x = 230,305.64 × 90,406.64
  4. Step 4: Simplify right side
    166,887.88x = 20,821,159,085.45
  5. Step 5: Solve for x
    x = 20,821,159,085.45/166,887.88
  6. Step 6: Final answer
    x = 124,761.36

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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.