Home / 154,491.80-231,737.70-112,173.35

Finding the Fourth Proportional to 154,491.80, 231,737.70 and 112,173.35

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Solution

The fourth proportional to 154,491.80, 231,737.70 and 112,173.35 is: 168,260.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,491.80 : 231,737.70 = 112,173.35 : x
  2. Step 2: Convert to fraction form
    154,491.80/231,737.70 = 112,173.35/x
  3. Step 3: Cross multiply
    154,491.80x = 231,737.70 × 112,173.35
  4. Step 4: Simplify right side
    154,491.80x = 25,994,794,130.30
  5. Step 5: Solve for x
    x = 25,994,794,130.30/154,491.80
  6. Step 6: Final answer
    x = 168,260.03

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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.