Home / 161,996.28-223,550.55-90,374.46

Finding the Fourth Proportional to 161,996.28, 223,550.55 and 90,374.46

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Solution

The fourth proportional to 161,996.28, 223,550.55 and 90,374.46 is: 124,714.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,996.28 : 223,550.55 = 90,374.46 : x
  2. Step 2: Convert to fraction form
    161,996.28/223,550.55 = 90,374.46/x
  3. Step 3: Cross multiply
    161,996.28x = 223,550.55 × 90,374.46
  4. Step 4: Simplify right side
    161,996.28x = 20,203,258,669.33
  5. Step 5: Solve for x
    x = 20,203,258,669.33/161,996.28
  6. Step 6: Final answer
    x = 124,714.34

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1.5x scale

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.