Home / 135,707.02-203,238.74-107,536.50

Finding the Fourth Proportional to 135,707.02, 203,238.74 and 107,536.50

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Solution

The fourth proportional to 135,707.02, 203,238.74 and 107,536.50 is: 161,049.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,707.02 : 203,238.74 = 107,536.50 : x
  2. Step 2: Convert to fraction form
    135,707.02/203,238.74 = 107,536.50/x
  3. Step 3: Cross multiply
    135,707.02x = 203,238.74 × 107,536.50
  4. Step 4: Simplify right side
    135,707.02x = 21,855,582,764.01
  5. Step 5: Solve for x
    x = 21,855,582,764.01/135,707.02
  6. Step 6: Final answer
    x = 161,049.76

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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.