Home / 140,933.88-211,118.90-84,743.02

Finding the Fourth Proportional to 140,933.88, 211,118.90 and 84,743.02

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Solution

The fourth proportional to 140,933.88, 211,118.90 and 84,743.02 is: 126,945.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,933.88 : 211,118.90 = 84,743.02 : x
  2. Step 2: Convert to fraction form
    140,933.88/211,118.90 = 84,743.02/x
  3. Step 3: Cross multiply
    140,933.88x = 211,118.90 × 84,743.02
  4. Step 4: Simplify right side
    140,933.88x = 17,890,853,165.08
  5. Step 5: Solve for x
    x = 17,890,853,165.08/140,933.88
  6. Step 6: Final answer
    x = 126,945.01

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.