Home / 140,673.84-194,122.62-76,999.56

Finding the Fourth Proportional to 140,673.84, 194,122.62 and 76,999.56

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Solution

The fourth proportional to 140,673.84, 194,122.62 and 76,999.56 is: 106,255.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,673.84 : 194,122.62 = 76,999.56 : x
  2. Step 2: Convert to fraction form
    140,673.84/194,122.62 = 76,999.56/x
  3. Step 3: Cross multiply
    140,673.84x = 194,122.62 × 76,999.56
  4. Step 4: Simplify right side
    140,673.84x = 14,947,356,326.05
  5. Step 5: Solve for x
    x = 14,947,356,326.05/140,673.84
  6. Step 6: Final answer
    x = 106,255.41

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1.5x scale

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.