Home / 489,136.10-733,922.86-173,819.30

Finding the Fourth Proportional to 489,136.10, 733,922.86 and 173,819.30

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Solution

The fourth proportional to 489,136.10, 733,922.86 and 173,819.30 is: 260,806.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,136.10 : 733,922.86 = 173,819.30 : x
  2. Step 2: Convert to fraction form
    489,136.10/733,922.86 = 173,819.30/x
  3. Step 3: Cross multiply
    489,136.10x = 733,922.86 × 173,819.30
  4. Step 4: Simplify right side
    489,136.10x = 127,569,957,779.20
  5. Step 5: Solve for x
    x = 127,569,957,779.20/489,136.10
  6. Step 6: Final answer
    x = 260,806.67

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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.