Home / 143,955.30-215,964.53-44,123

Finding the Fourth Proportional to 143,955.30, 215,964.53 and 44,123

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Solution

The fourth proportional to 143,955.30, 215,964.53 and 44,123 is: 66,194.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,955.30 : 215,964.53 = 44,123 : x
  2. Step 2: Convert to fraction form
    143,955.30/215,964.53 = 44,123/x
  3. Step 3: Cross multiply
    143,955.30x = 215,964.53 × 44,123
  4. Step 4: Simplify right side
    143,955.30x = 9,529,002,957.19
  5. Step 5: Solve for x
    x = 9,529,002,957.19/143,955.30
  6. Step 6: Final answer
    x = 66,194.18

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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.