Home / 144,836.40-217,060.20-103,234.80

Finding the Fourth Proportional to 144,836.40, 217,060.20 and 103,234.80

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Solution

The fourth proportional to 144,836.40, 217,060.20 and 103,234.80 is: 154,713.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,836.40 : 217,060.20 = 103,234.80 : x
  2. Step 2: Convert to fraction form
    144,836.40/217,060.20 = 103,234.80/x
  3. Step 3: Cross multiply
    144,836.40x = 217,060.20 × 103,234.80
  4. Step 4: Simplify right side
    144,836.40x = 22,408,166,334.96
  5. Step 5: Solve for x
    x = 22,408,166,334.96/144,836.40
  6. Step 6: Final answer
    x = 154,713.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.