Home / 175,638.20-262,679.70-147,644.60

Finding the Fourth Proportional to 175,638.20, 262,679.70 and 147,644.60

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Solution

The fourth proportional to 175,638.20, 262,679.70 and 147,644.60 is: 220,813.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,638.20 : 262,679.70 = 147,644.60 : x
  2. Step 2: Convert to fraction form
    175,638.20/262,679.70 = 147,644.60/x
  3. Step 3: Cross multiply
    175,638.20x = 262,679.70 × 147,644.60
  4. Step 4: Simplify right side
    175,638.20x = 38,783,239,234.62
  5. Step 5: Solve for x
    x = 38,783,239,234.62/175,638.20
  6. Step 6: Final answer
    x = 220,813.24

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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.