Home / 161,763.50-223,207.37-93,767.20

Finding the Fourth Proportional to 161,763.50, 223,207.37 and 93,767.20

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Solution

The fourth proportional to 161,763.50, 223,207.37 and 93,767.20 is: 129,383.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,763.50 : 223,207.37 = 93,767.20 : x
  2. Step 2: Convert to fraction form
    161,763.50/223,207.37 = 93,767.20/x
  3. Step 3: Cross multiply
    161,763.50x = 223,207.37 × 93,767.20
  4. Step 4: Simplify right side
    161,763.50x = 20,929,530,104.26
  5. Step 5: Solve for x
    x = 20,929,530,104.26/161,763.50
  6. Step 6: Final answer
    x = 129,383.51

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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.