Home / 135,545.51-203,136.82-60,649.67

Finding the Fourth Proportional to 135,545.51, 203,136.82 and 60,649.67

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Solution

The fourth proportional to 135,545.51, 203,136.82 and 60,649.67 is: 90,893.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,545.51 : 203,136.82 = 60,649.67 : x
  2. Step 2: Convert to fraction form
    135,545.51/203,136.82 = 60,649.67/x
  3. Step 3: Cross multiply
    135,545.51x = 203,136.82 × 60,649.67
  4. Step 4: Simplify right side
    135,545.51x = 12,320,181,097.85
  5. Step 5: Solve for x
    x = 12,320,181,097.85/135,545.51
  6. Step 6: Final answer
    x = 90,893.32

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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.