Home / 165,107.35-227,777.43-99,723.34

Finding the Fourth Proportional to 165,107.35, 227,777.43 and 99,723.34

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Solution

The fourth proportional to 165,107.35, 227,777.43 and 99,723.34 is: 137,575.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,107.35 : 227,777.43 = 99,723.34 : x
  2. Step 2: Convert to fraction form
    165,107.35/227,777.43 = 99,723.34/x
  3. Step 3: Cross multiply
    165,107.35x = 227,777.43 × 99,723.34
  4. Step 4: Simplify right side
    165,107.35x = 22,714,726,096.22
  5. Step 5: Solve for x
    x = 22,714,726,096.22/165,107.35
  6. Step 6: Final answer
    x = 137,575.50

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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.