Home / 140,703.01-194,172.29-77,046.73

Finding the Fourth Proportional to 140,703.01, 194,172.29 and 77,046.73

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Solution

The fourth proportional to 140,703.01, 194,172.29 and 77,046.73 is: 106,325.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,703.01 : 194,172.29 = 77,046.73 : x
  2. Step 2: Convert to fraction form
    140,703.01/194,172.29 = 77,046.73/x
  3. Step 3: Cross multiply
    140,703.01x = 194,172.29 × 77,046.73
  4. Step 4: Simplify right side
    140,703.01x = 14,960,339,419.37
  5. Step 5: Solve for x
    x = 14,960,339,419.37/140,703.01
  6. Step 6: Final answer
    x = 106,325.65

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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.