Home / 161,620.52-223,022.03-93,615.75

Finding the Fourth Proportional to 161,620.52, 223,022.03 and 93,615.75

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Solution

The fourth proportional to 161,620.52, 223,022.03 and 93,615.75 is: 129,181.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,620.52 : 223,022.03 = 93,615.75 : x
  2. Step 2: Convert to fraction form
    161,620.52/223,022.03 = 93,615.75/x
  3. Step 3: Cross multiply
    161,620.52x = 223,022.03 × 93,615.75
  4. Step 4: Simplify right side
    161,620.52x = 20,878,374,136.89
  5. Step 5: Solve for x
    x = 20,878,374,136.89/161,620.52
  6. Step 6: Final answer
    x = 129,181.46

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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.