Home / 140,875.70-194,408.06-76,346.73

Finding the Fourth Proportional to 140,875.70, 194,408.06 and 76,346.73

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Solution

The fourth proportional to 140,875.70, 194,408.06 and 76,346.73 is: 105,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,875.70 : 194,408.06 = 76,346.73 : x
  2. Step 2: Convert to fraction form
    140,875.70/194,408.06 = 76,346.73/x
  3. Step 3: Cross multiply
    140,875.70x = 194,408.06 × 76,346.73
  4. Step 4: Simplify right side
    140,875.70x = 14,842,419,284.91
  5. Step 5: Solve for x
    x = 14,842,419,284.91/140,875.70
  6. Step 6: Final answer
    x = 105,358.27

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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.