Home / 140,600.48-194,028.68-76,938.29

Finding the Fourth Proportional to 140,600.48, 194,028.68 and 76,938.29

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Solution

The fourth proportional to 140,600.48, 194,028.68 and 76,938.29 is: 106,174.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,600.48 : 194,028.68 = 76,938.29 : x
  2. Step 2: Convert to fraction form
    140,600.48/194,028.68 = 76,938.29/x
  3. Step 3: Cross multiply
    140,600.48x = 194,028.68 × 76,938.29
  4. Step 4: Simplify right side
    140,600.48x = 14,928,233,495.32
  5. Step 5: Solve for x
    x = 14,928,233,495.32/140,600.48
  6. Step 6: Final answer
    x = 106,174.84

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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.