Home / 135,381.36-203,113.56-60,564.48

Finding the Fourth Proportional to 135,381.36, 203,113.56 and 60,564.48

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Solution

The fourth proportional to 135,381.36, 203,113.56 and 60,564.48 is: 90,865.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,381.36 : 203,113.56 = 60,564.48 : x
  2. Step 2: Convert to fraction form
    135,381.36/203,113.56 = 60,564.48/x
  3. Step 3: Cross multiply
    135,381.36x = 203,113.56 × 60,564.48
  4. Step 4: Simplify right side
    135,381.36x = 12,301,467,142.35
  5. Step 5: Solve for x
    x = 12,301,467,142.35/135,381.36
  6. Step 6: Final answer
    x = 90,865.29

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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.