Home / 150,536.08-207,739.56-86,873.86

Finding the Fourth Proportional to 150,536.08, 207,739.56 and 86,873.86

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Solution

The fourth proportional to 150,536.08, 207,739.56 and 86,873.86 is: 119,885.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,536.08 : 207,739.56 = 86,873.86 : x
  2. Step 2: Convert to fraction form
    150,536.08/207,739.56 = 86,873.86/x
  3. Step 3: Cross multiply
    150,536.08x = 207,739.56 × 86,873.86
  4. Step 4: Simplify right side
    150,536.08x = 18,047,137,451.90
  5. Step 5: Solve for x
    x = 18,047,137,451.90/150,536.08
  6. Step 6: Final answer
    x = 119,885.79

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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.