Home / 140,921.76-194,448.12-93,149.58

Finding the Fourth Proportional to 140,921.76, 194,448.12 and 93,149.58

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Solution

The fourth proportional to 140,921.76, 194,448.12 and 93,149.58 is: 128,530.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,921.76 : 194,448.12 = 93,149.58 : x
  2. Step 2: Convert to fraction form
    140,921.76/194,448.12 = 93,149.58/x
  3. Step 3: Cross multiply
    140,921.76x = 194,448.12 × 93,149.58
  4. Step 4: Simplify right side
    140,921.76x = 18,112,760,709.79
  5. Step 5: Solve for x
    x = 18,112,760,709.79/140,921.76
  6. Step 6: Final answer
    x = 128,530.62

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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.