Home / 140,589.27-210,910.64-51,849.72

Finding the Fourth Proportional to 140,589.27, 210,910.64 and 51,849.72

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Solution

The fourth proportional to 140,589.27, 210,910.64 and 51,849.72 is: 77,784.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,589.27 : 210,910.64 = 51,849.72 : x
  2. Step 2: Convert to fraction form
    140,589.27/210,910.64 = 51,849.72/x
  3. Step 3: Cross multiply
    140,589.27x = 210,910.64 × 51,849.72
  4. Step 4: Simplify right side
    140,589.27x = 10,935,657,369.77
  5. Step 5: Solve for x
    x = 10,935,657,369.77/140,589.27
  6. Step 6: Final answer
    x = 77,784.44

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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.