Home / 99,467.20-148,836.30-73,223.20

Finding the Fourth Proportional to 99,467.20, 148,836.30 and 73,223.20

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Solution

The fourth proportional to 99,467.20, 148,836.30 and 73,223.20 is: 109,566.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,467.20 : 148,836.30 = 73,223.20 : x
  2. Step 2: Convert to fraction form
    99,467.20/148,836.30 = 73,223.20/x
  3. Step 3: Cross multiply
    99,467.20x = 148,836.30 × 73,223.20
  4. Step 4: Simplify right side
    99,467.20x = 10,898,270,162.16
  5. Step 5: Solve for x
    x = 10,898,270,162.16/99,467.20
  6. Step 6: Final answer
    x = 109,566.47

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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.