Home / 179,220.96-268,870.32-54,558.72

Finding the Fourth Proportional to 179,220.96, 268,870.32 and 54,558.72

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Solution

The fourth proportional to 179,220.96, 268,870.32 and 54,558.72 is: 81,849.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,220.96 : 268,870.32 = 54,558.72 : x
  2. Step 2: Convert to fraction form
    179,220.96/268,870.32 = 54,558.72/x
  3. Step 3: Cross multiply
    179,220.96x = 268,870.32 × 54,558.72
  4. Step 4: Simplify right side
    179,220.96x = 14,669,220,505.19
  5. Step 5: Solve for x
    x = 14,669,220,505.19/179,220.96
  6. Step 6: Final answer
    x = 81,849.92

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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.