Home / 148,676.20-205,095.62-91,328.44

Finding the Fourth Proportional to 148,676.20, 205,095.62 and 91,328.44

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Solution

The fourth proportional to 148,676.20, 205,095.62 and 91,328.44 is: 125,985.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    148,676.20 : 205,095.62 = 91,328.44 : x
  2. Step 2: Convert to fraction form
    148,676.20/205,095.62 = 91,328.44/x
  3. Step 3: Cross multiply
    148,676.20x = 205,095.62 × 91,328.44
  4. Step 4: Simplify right side
    148,676.20x = 18,731,063,025.43
  5. Step 5: Solve for x
    x = 18,731,063,025.43/148,676.20
  6. Step 6: Final answer
    x = 125,985.62

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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.