Home / 165,726.38-228,685.37-93,117.75

Finding the Fourth Proportional to 165,726.38, 228,685.37 and 93,117.75

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Solution

The fourth proportional to 165,726.38, 228,685.37 and 93,117.75 is: 128,492.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,726.38 : 228,685.37 = 93,117.75 : x
  2. Step 2: Convert to fraction form
    165,726.38/228,685.37 = 93,117.75/x
  3. Step 3: Cross multiply
    165,726.38x = 228,685.37 × 93,117.75
  4. Step 4: Simplify right side
    165,726.38x = 21,294,665,789.16
  5. Step 5: Solve for x
    x = 21,294,665,789.16/165,726.38
  6. Step 6: Final answer
    x = 128,492.91

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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.