Home / 165,777.05-228,672.61-101,216.81

Finding the Fourth Proportional to 165,777.05, 228,672.61 and 101,216.81

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Solution

The fourth proportional to 165,777.05, 228,672.61 and 101,216.81 is: 139,618.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,777.05 : 228,672.61 = 101,216.81 : x
  2. Step 2: Convert to fraction form
    165,777.05/228,672.61 = 101,216.81/x
  3. Step 3: Cross multiply
    165,777.05x = 228,672.61 × 101,216.81
  4. Step 4: Simplify right side
    165,777.05x = 23,145,512,437.21
  5. Step 5: Solve for x
    x = 23,145,512,437.21/165,777.05
  6. Step 6: Final answer
    x = 139,618.31

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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.