Home / 179,066.40-268,599.60-54,391.20

Finding the Fourth Proportional to 179,066.40, 268,599.60 and 54,391.20

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Solution

The fourth proportional to 179,066.40, 268,599.60 and 54,391.20 is: 81,586.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,066.40 : 268,599.60 = 54,391.20 : x
  2. Step 2: Convert to fraction form
    179,066.40/268,599.60 = 54,391.20/x
  3. Step 3: Cross multiply
    179,066.40x = 268,599.60 × 54,391.20
  4. Step 4: Simplify right side
    179,066.40x = 14,609,454,563.52
  5. Step 5: Solve for x
    x = 14,609,454,563.52/179,066.40
  6. Step 6: Final answer
    x = 81,586.80

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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.