Home / 203,742.16-305,615.34-61,588.60

Finding the Fourth Proportional to 203,742.16, 305,615.34 and 61,588.60

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Solution

The fourth proportional to 203,742.16, 305,615.34 and 61,588.60 is: 92,383.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,742.16 : 305,615.34 = 61,588.60 : x
  2. Step 2: Convert to fraction form
    203,742.16/305,615.34 = 61,588.60/x
  3. Step 3: Cross multiply
    203,742.16x = 305,615.34 × 61,588.60
  4. Step 4: Simplify right side
    203,742.16x = 18,822,420,929.12
  5. Step 5: Solve for x
    x = 18,822,420,929.12/203,742.16
  6. Step 6: Final answer
    x = 92,383.53

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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.