Home / 182,971.78-252,615.67-117,587.12

Finding the Fourth Proportional to 182,971.78, 252,615.67 and 117,587.12

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Solution

The fourth proportional to 182,971.78, 252,615.67 and 117,587.12 is: 162,343.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    182,971.78 : 252,615.67 = 117,587.12 : x
  2. Step 2: Convert to fraction form
    182,971.78/252,615.67 = 117,587.12/x
  3. Step 3: Cross multiply
    182,971.78x = 252,615.67 × 117,587.12
  4. Step 4: Simplify right side
    182,971.78x = 29,704,347,545.12
  5. Step 5: Solve for x
    x = 29,704,347,545.12/182,971.78
  6. Step 6: Final answer
    x = 162,343.88

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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.