Home / 135,941.10-203,814.45-60,999.90

Finding the Fourth Proportional to 135,941.10, 203,814.45 and 60,999.90

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Solution

The fourth proportional to 135,941.10, 203,814.45 and 60,999.90 is: 91,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    135,941.10 : 203,814.45 = 60,999.90 : x
  2. Step 2: Convert to fraction form
    135,941.10/203,814.45 = 60,999.90/x
  3. Step 3: Cross multiply
    135,941.10x = 203,814.45 × 60,999.90
  4. Step 4: Simplify right side
    135,941.10x = 12,432,661,068.56
  5. Step 5: Solve for x
    x = 12,432,661,068.56/135,941.10
  6. Step 6: Final answer
    x = 91,456.23

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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.