Home / 140,334.72-193,664.70-76,676.46

Finding the Fourth Proportional to 140,334.72, 193,664.70 and 76,676.46

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Solution

The fourth proportional to 140,334.72, 193,664.70 and 76,676.46 is: 105,815.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,334.72 : 193,664.70 = 76,676.46 : x
  2. Step 2: Convert to fraction form
    140,334.72/193,664.70 = 76,676.46/x
  3. Step 3: Cross multiply
    140,334.72x = 193,664.70 × 76,676.46
  4. Step 4: Simplify right side
    140,334.72x = 14,849,523,622.96
  5. Step 5: Solve for x
    x = 14,849,523,622.96/140,334.72
  6. Step 6: Final answer
    x = 105,815.04

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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.