Home / 132,664.12-183,072.21-72,234.27

Finding the Fourth Proportional to 132,664.12, 183,072.21 and 72,234.27

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Solution

The fourth proportional to 132,664.12, 183,072.21 and 72,234.27 is: 99,680.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,664.12 : 183,072.21 = 72,234.27 : x
  2. Step 2: Convert to fraction form
    132,664.12/183,072.21 = 72,234.27/x
  3. Step 3: Cross multiply
    132,664.12x = 183,072.21 × 72,234.27
  4. Step 4: Simplify right side
    132,664.12x = 13,224,087,446.64
  5. Step 5: Solve for x
    x = 13,224,087,446.64/132,664.12
  6. Step 6: Final answer
    x = 99,680.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.