Home / 166,742.42-230,104.06-91,290.38

Finding the Fourth Proportional to 166,742.42, 230,104.06 and 91,290.38

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Solution

The fourth proportional to 166,742.42, 230,104.06 and 91,290.38 is: 125,980.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,742.42 : 230,104.06 = 91,290.38 : x
  2. Step 2: Convert to fraction form
    166,742.42/230,104.06 = 91,290.38/x
  3. Step 3: Cross multiply
    166,742.42x = 230,104.06 × 91,290.38
  4. Step 4: Simplify right side
    166,742.42x = 21,006,285,698.20
  5. Step 5: Solve for x
    x = 21,006,285,698.20/166,742.42
  6. Step 6: Final answer
    x = 125,980.46

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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.