Home / 179,214.40-268,821.60-54,539.20

Finding the Fourth Proportional to 179,214.40, 268,821.60 and 54,539.20

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Solution

The fourth proportional to 179,214.40, 268,821.60 and 54,539.20 is: 81,808.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,214.40 : 268,821.60 = 54,539.20 : x
  2. Step 2: Convert to fraction form
    179,214.40/268,821.60 = 54,539.20/x
  3. Step 3: Cross multiply
    179,214.40x = 268,821.60 × 54,539.20
  4. Step 4: Simplify right side
    179,214.40x = 14,661,315,006.72
  5. Step 5: Solve for x
    x = 14,661,315,006.72/179,214.40
  6. Step 6: Final answer
    x = 81,808.80

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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.