Home / 165,827.07-228,878.28-105,385.92

Finding the Fourth Proportional to 165,827.07, 228,878.28 and 105,385.92

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Solution

The fourth proportional to 165,827.07, 228,878.28 and 105,385.92 is: 145,456.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,827.07 : 228,878.28 = 105,385.92 : x
  2. Step 2: Convert to fraction form
    165,827.07/228,878.28 = 105,385.92/x
  3. Step 3: Cross multiply
    165,827.07x = 228,878.28 × 105,385.92
  4. Step 4: Simplify right side
    165,827.07x = 24,120,548,105.82
  5. Step 5: Solve for x
    x = 24,120,548,105.82/165,827.07
  6. Step 6: Final answer
    x = 145,456.04

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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.