Home / 166,921.36-230,343.96-91,468.24

Finding the Fourth Proportional to 166,921.36, 230,343.96 and 91,468.24

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Solution

The fourth proportional to 166,921.36, 230,343.96 and 91,468.24 is: 126,222.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,921.36 : 230,343.96 = 91,468.24 : x
  2. Step 2: Convert to fraction form
    166,921.36/230,343.96 = 91,468.24/x
  3. Step 3: Cross multiply
    166,921.36x = 230,343.96 × 91,468.24
  4. Step 4: Simplify right side
    166,921.36x = 21,069,156,615.83
  5. Step 5: Solve for x
    x = 21,069,156,615.83/166,921.36
  6. Step 6: Final answer
    x = 126,222.05

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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.