Home / 166,913.36-230,341.56-91,464.56

Finding the Fourth Proportional to 166,913.36, 230,341.56 and 91,464.56

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Solution

The fourth proportional to 166,913.36, 230,341.56 and 91,464.56 is: 126,221.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,913.36 : 230,341.56 = 91,464.56 : x
  2. Step 2: Convert to fraction form
    166,913.36/230,341.56 = 91,464.56/x
  3. Step 3: Cross multiply
    166,913.36x = 230,341.56 × 91,464.56
  4. Step 4: Simplify right side
    166,913.36x = 21,068,089,435.11
  5. Step 5: Solve for x
    x = 21,068,089,435.11/166,913.36
  6. Step 6: Final answer
    x = 126,221.71

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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.