Home / 165,866.08-228,895.16-90,414.56

Finding the Fourth Proportional to 165,866.08, 228,895.16 and 90,414.56

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Solution

The fourth proportional to 165,866.08, 228,895.16 and 90,414.56 is: 124,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,866.08 : 228,895.16 = 90,414.56 : x
  2. Step 2: Convert to fraction form
    165,866.08/228,895.16 = 90,414.56/x
  3. Step 3: Cross multiply
    165,866.08x = 228,895.16 × 90,414.56
  4. Step 4: Simplify right side
    165,866.08x = 20,695,455,177.53
  5. Step 5: Solve for x
    x = 20,695,455,177.53/165,866.08
  6. Step 6: Final answer
    x = 124,772.08

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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.