Home / 135,734.36-203,503.10-91,250.76

Finding the Fourth Proportional to 135,734.36, 203,503.10 and 91,250.76

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Solution

The fourth proportional to 135,734.36, 203,503.10 and 91,250.76 is: 136,809.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,734.36 : 203,503.10 = 91,250.76 : x
  2. Step 2: Convert to fraction form
    135,734.36/203,503.10 = 91,250.76/x
  3. Step 3: Cross multiply
    135,734.36x = 203,503.10 × 91,250.76
  4. Step 4: Simplify right side
    135,734.36x = 18,569,812,537.36
  5. Step 5: Solve for x
    x = 18,569,812,537.36/135,734.36
  6. Step 6: Final answer
    x = 136,809.96

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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.