Home / 154,281.92-212,869.22-96,930.27

Finding the Fourth Proportional to 154,281.92, 212,869.22 and 96,930.27

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Solution

The fourth proportional to 154,281.92, 212,869.22 and 96,930.27 is: 133,738.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,281.92 : 212,869.22 = 96,930.27 : x
  2. Step 2: Convert to fraction form
    154,281.92/212,869.22 = 96,930.27/x
  3. Step 3: Cross multiply
    154,281.92x = 212,869.22 × 96,930.27
  4. Step 4: Simplify right side
    154,281.92x = 20,633,470,484.64
  5. Step 5: Solve for x
    x = 20,633,470,484.64/154,281.92
  6. Step 6: Final answer
    x = 133,738.75

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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.