Home / 140,910.89-194,459.54-76,382.24

Finding the Fourth Proportional to 140,910.89, 194,459.54 and 76,382.24

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Solution

The fourth proportional to 140,910.89, 194,459.54 and 76,382.24 is: 105,408.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    140,910.89 : 194,459.54 = 76,382.24 : x
  2. Step 2: Convert to fraction form
    140,910.89/194,459.54 = 76,382.24/x
  3. Step 3: Cross multiply
    140,910.89x = 194,459.54 × 76,382.24
  4. Step 4: Simplify right side
    140,910.89x = 14,853,254,994.20
  5. Step 5: Solve for x
    x = 14,853,254,994.20/140,910.89
  6. Step 6: Final answer
    x = 105,408.85

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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.