Home / 132,212.61-182,453.39-71,783.26

Finding the Fourth Proportional to 132,212.61, 182,453.39 and 71,783.26

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Solution

The fourth proportional to 132,212.61, 182,453.39 and 71,783.26 is: 99,060.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,212.61 : 182,453.39 = 71,783.26 : x
  2. Step 2: Convert to fraction form
    132,212.61/182,453.39 = 71,783.26/x
  3. Step 3: Cross multiply
    132,212.61x = 182,453.39 × 71,783.26
  4. Step 4: Simplify right side
    132,212.61x = 13,097,097,861.07
  5. Step 5: Solve for x
    x = 13,097,097,861.07/132,212.61
  6. Step 6: Final answer
    x = 99,060.89

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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.