Home / 140,556.14-193,972.14-76,893.93

Finding the Fourth Proportional to 140,556.14, 193,972.14 and 76,893.93

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Solution

The fourth proportional to 140,556.14, 193,972.14 and 76,893.93 is: 106,116.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.14 : 193,972.14 = 76,893.93 : x
  2. Step 2: Convert to fraction form
    140,556.14/193,972.14 = 76,893.93/x
  3. Step 3: Cross multiply
    140,556.14x = 193,972.14 × 76,893.93
  4. Step 4: Simplify right side
    140,556.14x = 14,915,280,155.11
  5. Step 5: Solve for x
    x = 14,915,280,155.11/140,556.14
  6. Step 6: Final answer
    x = 106,116.18

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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.