Home / 154,636.44-231,889.05-54,821.76

Finding the Fourth Proportional to 154,636.44, 231,889.05 and 54,821.76

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Solution

The fourth proportional to 154,636.44, 231,889.05 and 54,821.76 is: 82,209.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,636.44 : 231,889.05 = 54,821.76 : x
  2. Step 2: Convert to fraction form
    154,636.44/231,889.05 = 54,821.76/x
  3. Step 3: Cross multiply
    154,636.44x = 231,889.05 × 54,821.76
  4. Step 4: Simplify right side
    154,636.44x = 12,712,565,845.73
  5. Step 5: Solve for x
    x = 12,712,565,845.73/154,636.44
  6. Step 6: Final answer
    x = 82,209.38

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1.5x scale

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.