Home / 135,024.30-202,536.45-82,493.10

Finding the Fourth Proportional to 135,024.30, 202,536.45 and 82,493.10

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Solution

The fourth proportional to 135,024.30, 202,536.45 and 82,493.10 is: 123,739.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,024.30 : 202,536.45 = 82,493.10 : x
  2. Step 2: Convert to fraction form
    135,024.30/202,536.45 = 82,493.10/x
  3. Step 3: Cross multiply
    135,024.30x = 202,536.45 × 82,493.10
  4. Step 4: Simplify right side
    135,024.30x = 16,707,859,623.50
  5. Step 5: Solve for x
    x = 16,707,859,623.50/135,024.30
  6. Step 6: Final answer
    x = 123,739.65

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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.