Home / 140,095.16-193,323.42-79,680.48

Finding the Fourth Proportional to 140,095.16, 193,323.42 and 79,680.48

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Solution

The fourth proportional to 140,095.16, 193,323.42 and 79,680.48 is: 109,954.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,095.16 : 193,323.42 = 79,680.48 : x
  2. Step 2: Convert to fraction form
    140,095.16/193,323.42 = 79,680.48/x
  3. Step 3: Cross multiply
    140,095.16x = 193,323.42 × 79,680.48
  4. Step 4: Simplify right side
    140,095.16x = 15,404,102,900.84
  5. Step 5: Solve for x
    x = 15,404,102,900.84/140,095.16
  6. Step 6: Final answer
    x = 109,954.57

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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.