Home / 179,384.10-268,725.87-109,089.06

Finding the Fourth Proportional to 179,384.10, 268,725.87 and 109,089.06

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Solution

The fourth proportional to 179,384.10, 268,725.87 and 109,089.06 is: 163,420.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,384.10 : 268,725.87 = 109,089.06 : x
  2. Step 2: Convert to fraction form
    179,384.10/268,725.87 = 109,089.06/x
  3. Step 3: Cross multiply
    179,384.10x = 268,725.87 × 109,089.06
  4. Step 4: Simplify right side
    179,384.10x = 29,315,052,555.98
  5. Step 5: Solve for x
    x = 29,315,052,555.98/179,384.10
  6. Step 6: Final answer
    x = 163,420.57

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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.