Home / 135,550.50-203,243.70-60,656.67

Finding the Fourth Proportional to 135,550.50, 203,243.70 and 60,656.67

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Solution

The fourth proportional to 135,550.50, 203,243.70 and 60,656.67 is: 90,948.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,550.50 : 203,243.70 = 60,656.67 : x
  2. Step 2: Convert to fraction form
    135,550.50/203,243.70 = 60,656.67/x
  3. Step 3: Cross multiply
    135,550.50x = 203,243.70 × 60,656.67
  4. Step 4: Simplify right side
    135,550.50x = 12,328,086,040.48
  5. Step 5: Solve for x
    x = 12,328,086,040.48/135,550.50
  6. Step 6: Final answer
    x = 90,948.29

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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.