Home / 106,234.60-159,371.10-53,511.40

Finding the Fourth Proportional to 106,234.60, 159,371.10 and 53,511.40

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Solution

The fourth proportional to 106,234.60, 159,371.10 and 53,511.40 is: 80,276.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,234.60 : 159,371.10 = 53,511.40 : x
  2. Step 2: Convert to fraction form
    106,234.60/159,371.10 = 53,511.40/x
  3. Step 3: Cross multiply
    106,234.60x = 159,371.10 × 53,511.40
  4. Step 4: Simplify right side
    106,234.60x = 8,528,170,680.54
  5. Step 5: Solve for x
    x = 8,528,170,680.54/106,234.60
  6. Step 6: Final answer
    x = 80,276.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.