Home / 165,823.06-228,872.76-105,381.92

Finding the Fourth Proportional to 165,823.06, 228,872.76 and 105,381.92

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Solution

The fourth proportional to 165,823.06, 228,872.76 and 105,381.92 is: 145,450.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    165,823.06 : 228,872.76 = 105,381.92 : x
  2. Step 2: Convert to fraction form
    165,823.06/228,872.76 = 105,381.92/x
  3. Step 3: Cross multiply
    165,823.06x = 228,872.76 × 105,381.92
  4. Step 4: Simplify right side
    165,823.06x = 24,119,050,884.50
  5. Step 5: Solve for x
    x = 24,119,050,884.50/165,823.06
  6. Step 6: Final answer
    x = 145,450.52

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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.