Home / 135,725.16-203,588.82-55,742.52

Finding the Fourth Proportional to 135,725.16, 203,588.82 and 55,742.52

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Solution

The fourth proportional to 135,725.16, 203,588.82 and 55,742.52 is: 83,614.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,725.16 : 203,588.82 = 55,742.52 : x
  2. Step 2: Convert to fraction form
    135,725.16/203,588.82 = 55,742.52/x
  3. Step 3: Cross multiply
    135,725.16x = 203,588.82 × 55,742.52
  4. Step 4: Simplify right side
    135,725.16x = 11,348,553,870.63
  5. Step 5: Solve for x
    x = 11,348,553,870.63/135,725.16
  6. Step 6: Final answer
    x = 83,614.22

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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.