Home / 140,680.48-194,152.26-84,090.64

Finding the Fourth Proportional to 140,680.48, 194,152.26 and 84,090.64

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Solution

The fourth proportional to 140,680.48, 194,152.26 and 84,090.64 is: 116,052.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,680.48 : 194,152.26 = 84,090.64 : x
  2. Step 2: Convert to fraction form
    140,680.48/194,152.26 = 84,090.64/x
  3. Step 3: Cross multiply
    140,680.48x = 194,152.26 × 84,090.64
  4. Step 4: Simplify right side
    140,680.48x = 16,326,387,800.85
  5. Step 5: Solve for x
    x = 16,326,387,800.85/140,680.48
  6. Step 6: Final answer
    x = 116,052.97

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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.