Home / 140,646.16-194,084.94-76,984.48

Finding the Fourth Proportional to 140,646.16, 194,084.94 and 76,984.48

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Solution

The fourth proportional to 140,646.16, 194,084.94 and 76,984.48 is: 106,234.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,646.16 : 194,084.94 = 76,984.48 : x
  2. Step 2: Convert to fraction form
    140,646.16/194,084.94 = 76,984.48/x
  3. Step 3: Cross multiply
    140,646.16x = 194,084.94 × 76,984.48
  4. Step 4: Simplify right side
    140,646.16x = 14,941,528,181.73
  5. Step 5: Solve for x
    x = 14,941,528,181.73/140,646.16
  6. Step 6: Final answer
    x = 106,234.88

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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.