Home / 140,673.48-194,142.60-84,083.64

Finding the Fourth Proportional to 140,673.48, 194,142.60 and 84,083.64

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Solution

The fourth proportional to 140,673.48, 194,142.60 and 84,083.64 is: 116,043.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673.48 : 194,142.60 = 84,083.64 : x
  2. Step 2: Convert to fraction form
    140,673.48/194,142.60 = 84,083.64/x
  3. Step 3: Cross multiply
    140,673.48x = 194,142.60 × 84,083.64
  4. Step 4: Simplify right side
    140,673.48x = 16,324,216,487.06
  5. Step 5: Solve for x
    x = 16,324,216,487.06/140,673.48
  6. Step 6: Final answer
    x = 116,043.31

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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.