Home / 135,828.56-203,754.08-42,334.31

Finding the Fourth Proportional to 135,828.56, 203,754.08 and 42,334.31

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Solution

The fourth proportional to 135,828.56, 203,754.08 and 42,334.31 is: 63,504.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,828.56 : 203,754.08 = 42,334.31 : x
  2. Step 2: Convert to fraction form
    135,828.56/203,754.08 = 42,334.31/x
  3. Step 3: Cross multiply
    135,828.56x = 203,754.08 × 42,334.31
  4. Step 4: Simplify right side
    135,828.56x = 8,625,789,001.71
  5. Step 5: Solve for x
    x = 8,625,789,001.71/135,828.56
  6. Step 6: Final answer
    x = 63,504.97

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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.