Home / 165,826.57-228,877.59-105,385.42

Finding the Fourth Proportional to 165,826.57, 228,877.59 and 105,385.42

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Solution

The fourth proportional to 165,826.57, 228,877.59 and 105,385.42 is: 145,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,826.57 : 228,877.59 = 105,385.42 : x
  2. Step 2: Convert to fraction form
    165,826.57/228,877.59 = 105,385.42/x
  3. Step 3: Cross multiply
    165,826.57x = 228,877.59 × 105,385.42
  4. Step 4: Simplify right side
    165,826.57x = 24,120,360,950.74
  5. Step 5: Solve for x
    x = 24,120,360,950.74/165,826.57
  6. Step 6: Final answer
    x = 145,455.35

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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.