Home / 103,766.56-143,776.22-101,524.48

Finding the Fourth Proportional to 103,766.56, 143,776.22 and 101,524.48

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Solution

The fourth proportional to 103,766.56, 143,776.22 and 101,524.48 is: 140,669.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,766.56 : 143,776.22 = 101,524.48 : x
  2. Step 2: Convert to fraction form
    103,766.56/143,776.22 = 101,524.48/x
  3. Step 3: Cross multiply
    103,766.56x = 143,776.22 × 101,524.48
  4. Step 4: Simplify right side
    103,766.56x = 14,596,805,971.87
  5. Step 5: Solve for x
    x = 14,596,805,971.87/103,766.56
  6. Step 6: Final answer
    x = 140,669.65

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Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.