Home / 143,941.46-215,485.72-106,668.84

Finding the Fourth Proportional to 143,941.46, 215,485.72 and 106,668.84

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Solution

The fourth proportional to 143,941.46, 215,485.72 and 106,668.84 is: 159,687.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,941.46 : 215,485.72 = 106,668.84 : x
  2. Step 2: Convert to fraction form
    143,941.46/215,485.72 = 106,668.84/x
  3. Step 3: Cross multiply
    143,941.46x = 215,485.72 × 106,668.84
  4. Step 4: Simplify right side
    143,941.46x = 22,985,611,788.96
  5. Step 5: Solve for x
    x = 22,985,611,788.96/143,941.46
  6. Step 6: Final answer
    x = 159,687.22

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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.