Home / 165,193.60-227,967.44-89,742.16

Finding the Fourth Proportional to 165,193.60, 227,967.44 and 89,742.16

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Solution

The fourth proportional to 165,193.60, 227,967.44 and 89,742.16 is: 123,844.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,193.60 : 227,967.44 = 89,742.16 : x
  2. Step 2: Convert to fraction form
    165,193.60/227,967.44 = 89,742.16/x
  3. Step 3: Cross multiply
    165,193.60x = 227,967.44 × 89,742.16
  4. Step 4: Simplify right side
    165,193.60x = 20,458,290,475.27
  5. Step 5: Solve for x
    x = 20,458,290,475.27/165,193.60
  6. Step 6: Final answer
    x = 123,844.33

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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.