Home / 132,290.60-182,564.31-71,861.22

Finding the Fourth Proportional to 132,290.60, 182,564.31 and 71,861.22

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Solution

The fourth proportional to 132,290.60, 182,564.31 and 71,861.22 is: 99,170.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,290.60 : 182,564.31 = 71,861.22 : x
  2. Step 2: Convert to fraction form
    132,290.60/182,564.31 = 71,861.22/x
  3. Step 3: Cross multiply
    132,290.60x = 182,564.31 × 71,861.22
  4. Step 4: Simplify right side
    132,290.60x = 13,119,294,045.06
  5. Step 5: Solve for x
    x = 13,119,294,045.06/132,290.60
  6. Step 6: Final answer
    x = 99,170.27

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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.