Home / 165,120.48-227,864.24-89,669.52

Finding the Fourth Proportional to 165,120.48, 227,864.24 and 89,669.52

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Solution

The fourth proportional to 165,120.48, 227,864.24 and 89,669.52 is: 123,742.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,120.48 : 227,864.24 = 89,669.52 : x
  2. Step 2: Convert to fraction form
    165,120.48/227,864.24 = 89,669.52/x
  3. Step 3: Cross multiply
    165,120.48x = 227,864.24 × 89,669.52
  4. Step 4: Simplify right side
    165,120.48x = 20,432,477,025.96
  5. Step 5: Solve for x
    x = 20,432,477,025.96/165,120.48
  6. Step 6: Final answer
    x = 123,742.84

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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.