Home / 278,225.22-383,951.50-150,900.84

Finding the Fourth Proportional to 278,225.22, 383,951.50 and 150,900.84

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Solution

The fourth proportional to 278,225.22, 383,951.50 and 150,900.84 is: 208,243.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    278,225.22 : 383,951.50 = 150,900.84 : x
  2. Step 2: Convert to fraction form
    278,225.22/383,951.50 = 150,900.84/x
  3. Step 3: Cross multiply
    278,225.22x = 383,951.50 × 150,900.84
  4. Step 4: Simplify right side
    278,225.22x = 57,938,603,869.26
  5. Step 5: Solve for x
    x = 57,938,603,869.26/278,225.22
  6. Step 6: Final answer
    x = 208,243.54

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1.5x scale

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.