Home / 140,556.92-193,973.14-76,894.72

Finding the Fourth Proportional to 140,556.92, 193,973.14 and 76,894.72

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Solution

The fourth proportional to 140,556.92, 193,973.14 and 76,894.72 is: 106,117.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,556.92 : 193,973.14 = 76,894.72 : x
  2. Step 2: Convert to fraction form
    140,556.92/193,973.14 = 76,894.72/x
  3. Step 3: Cross multiply
    140,556.92x = 193,973.14 × 76,894.72
  4. Step 4: Simplify right side
    140,556.92x = 14,915,510,287.82
  5. Step 5: Solve for x
    x = 14,915,510,287.82/140,556.92
  6. Step 6: Final answer
    x = 106,117.22

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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.