Home / 166,986.56-230,442.27-99,918.56

Finding the Fourth Proportional to 166,986.56, 230,442.27 and 99,918.56

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Solution

The fourth proportional to 166,986.56, 230,442.27 and 99,918.56 is: 137,888.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,986.56 : 230,442.27 = 99,918.56 : x
  2. Step 2: Convert to fraction form
    166,986.56/230,442.27 = 99,918.56/x
  3. Step 3: Cross multiply
    166,986.56x = 230,442.27 × 99,918.56
  4. Step 4: Simplify right side
    166,986.56x = 23,025,459,982.94
  5. Step 5: Solve for x
    x = 23,025,459,982.94/166,986.56
  6. Step 6: Final answer
    x = 137,888.10

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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.