Home / 166,666.14-230,004.77-91,214.64

Finding the Fourth Proportional to 166,666.14, 230,004.77 and 91,214.64

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Solution

The fourth proportional to 166,666.14, 230,004.77 and 91,214.64 is: 125,879.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,666.14 : 230,004.77 = 91,214.64 : x
  2. Step 2: Convert to fraction form
    166,666.14/230,004.77 = 91,214.64/x
  3. Step 3: Cross multiply
    166,666.14x = 230,004.77 × 91,214.64
  4. Step 4: Simplify right side
    166,666.14x = 20,979,801,837.76
  5. Step 5: Solve for x
    x = 20,979,801,837.76/166,666.14
  6. Step 6: Final answer
    x = 125,879.21

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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.