Home / 166,743.44-230,111.56-91,293.52

Finding the Fourth Proportional to 166,743.44, 230,111.56 and 91,293.52

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Solution

The fourth proportional to 166,743.44, 230,111.56 and 91,293.52 is: 125,988.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,743.44 : 230,111.56 = 91,293.52 : x
  2. Step 2: Convert to fraction form
    166,743.44/230,111.56 = 91,293.52/x
  3. Step 3: Cross multiply
    166,743.44x = 230,111.56 × 91,293.52
  4. Step 4: Simplify right side
    166,743.44x = 21,007,694,305.09
  5. Step 5: Solve for x
    x = 21,007,694,305.09/166,743.44
  6. Step 6: Final answer
    x = 125,988.13

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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.