Home / 165,388.16-228,235.10-89,936.66

Finding the Fourth Proportional to 165,388.16, 228,235.10 and 89,936.66

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Solution

The fourth proportional to 165,388.16, 228,235.10 and 89,936.66 is: 124,112.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,388.16 : 228,235.10 = 89,936.66 : x
  2. Step 2: Convert to fraction form
    165,388.16/228,235.10 = 89,936.66/x
  3. Step 3: Cross multiply
    165,388.16x = 228,235.10 × 89,936.66
  4. Step 4: Simplify right side
    165,388.16x = 20,526,700,997.91
  5. Step 5: Solve for x
    x = 20,526,700,997.91/165,388.16
  6. Step 6: Final answer
    x = 124,112.28

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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.