Home / 146,271.89-219,407.84-51,479.75

Finding the Fourth Proportional to 146,271.89, 219,407.84 and 51,479.75

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Solution

The fourth proportional to 146,271.89, 219,407.84 and 51,479.75 is: 77,219.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    146,271.89 : 219,407.84 = 51,479.75 : x
  2. Step 2: Convert to fraction form
    146,271.89/219,407.84 = 51,479.75/x
  3. Step 3: Cross multiply
    146,271.89x = 219,407.84 × 51,479.75
  4. Step 4: Simplify right side
    146,271.89x = 11,295,059,396.80
  5. Step 5: Solve for x
    x = 11,295,059,396.80/146,271.89
  6. Step 6: Final answer
    x = 77,219.62

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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.