Home / 140,281.67-193,583.12-79,026.44

Finding the Fourth Proportional to 140,281.67, 193,583.12 and 79,026.44

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Solution

The fourth proportional to 140,281.67, 193,583.12 and 79,026.44 is: 109,053.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,281.67 : 193,583.12 = 79,026.44 : x
  2. Step 2: Convert to fraction form
    140,281.67/193,583.12 = 79,026.44/x
  3. Step 3: Cross multiply
    140,281.67x = 193,583.12 × 79,026.44
  4. Step 4: Simplify right side
    140,281.67x = 15,298,183,454.65
  5. Step 5: Solve for x
    x = 15,298,183,454.65/140,281.67
  6. Step 6: Final answer
    x = 109,053.33

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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.