Home / 132,984.56-183,502.20-81,327.62

Finding the Fourth Proportional to 132,984.56, 183,502.20 and 81,327.62

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Solution

The fourth proportional to 132,984.56, 183,502.20 and 81,327.62 is: 112,222.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,984.56 : 183,502.20 = 81,327.62 : x
  2. Step 2: Convert to fraction form
    132,984.56/183,502.20 = 81,327.62/x
  3. Step 3: Cross multiply
    132,984.56x = 183,502.20 × 81,327.62
  4. Step 4: Simplify right side
    132,984.56x = 14,923,797,190.76
  5. Step 5: Solve for x
    x = 14,923,797,190.76/132,984.56
  6. Step 6: Final answer
    x = 112,222.03

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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.