Home / 166,500.39-229,617.21-109,118.81

Finding the Fourth Proportional to 166,500.39, 229,617.21 and 109,118.81

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Solution

The fourth proportional to 166,500.39, 229,617.21 and 109,118.81 is: 150,483.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    166,500.39 : 229,617.21 = 109,118.81 : x
  2. Step 2: Convert to fraction form
    166,500.39/229,617.21 = 109,118.81/x
  3. Step 3: Cross multiply
    166,500.39x = 229,617.21 × 109,118.81
  4. Step 4: Simplify right side
    166,500.39x = 25,055,556,402.36
  5. Step 5: Solve for x
    x = 25,055,556,402.36/166,500.39
  6. Step 6: Final answer
    x = 150,483.47

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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.