Home / 166,891.56-230,316.08-91,440.04

Finding the Fourth Proportional to 166,891.56, 230,316.08 and 91,440.04

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Solution

The fourth proportional to 166,891.56, 230,316.08 and 91,440.04 is: 126,190.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,891.56 : 230,316.08 = 91,440.04 : x
  2. Step 2: Convert to fraction form
    166,891.56/230,316.08 = 91,440.04/x
  3. Step 3: Cross multiply
    166,891.56x = 230,316.08 × 91,440.04
  4. Step 4: Simplify right side
    166,891.56x = 21,060,111,567.84
  5. Step 5: Solve for x
    x = 21,060,111,567.84/166,891.56
  6. Step 6: Final answer
    x = 126,190.39

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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.