Home / 165,225.06-228,009.06-89,773.56

Finding the Fourth Proportional to 165,225.06, 228,009.06 and 89,773.56

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Solution

The fourth proportional to 165,225.06, 228,009.06 and 89,773.56 is: 123,886.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,225.06 : 228,009.06 = 89,773.56 : x
  2. Step 2: Convert to fraction form
    165,225.06/228,009.06 = 89,773.56/x
  3. Step 3: Cross multiply
    165,225.06x = 228,009.06 × 89,773.56
  4. Step 4: Simplify right side
    165,225.06x = 20,469,185,028.45
  5. Step 5: Solve for x
    x = 20,469,185,028.45/165,225.06
  6. Step 6: Final answer
    x = 123,886.69

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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.