Home / 140,226.13-193,511.94-76,563.91

Finding the Fourth Proportional to 140,226.13, 193,511.94 and 76,563.91

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Solution

The fourth proportional to 140,226.13, 193,511.94 and 76,563.91 is: 105,658.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,226.13 : 193,511.94 = 76,563.91 : x
  2. Step 2: Convert to fraction form
    140,226.13/193,511.94 = 76,563.91/x
  3. Step 3: Cross multiply
    140,226.13x = 193,511.94 × 76,563.91
  4. Step 4: Simplify right side
    140,226.13x = 14,816,030,758.09
  5. Step 5: Solve for x
    x = 14,816,030,758.09/140,226.13
  6. Step 6: Final answer
    x = 105,658.13

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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.