Home / 140,989.66-194,567.23-76,459.02

Finding the Fourth Proportional to 140,989.66, 194,567.23 and 76,459.02

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Solution

The fourth proportional to 140,989.66, 194,567.23 and 76,459.02 is: 105,514.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,989.66 : 194,567.23 = 76,459.02 : x
  2. Step 2: Convert to fraction form
    140,989.66/194,567.23 = 76,459.02/x
  3. Step 3: Cross multiply
    140,989.66x = 194,567.23 × 76,459.02
  4. Step 4: Simplify right side
    140,989.66x = 14,876,419,729.91
  5. Step 5: Solve for x
    x = 14,876,419,729.91/140,989.66
  6. Step 6: Final answer
    x = 105,514.26

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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.