Home / 173,837.60-260,833.20-80,295.20

Finding the Fourth Proportional to 173,837.60, 260,833.20 and 80,295.20

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Solution

The fourth proportional to 173,837.60, 260,833.20 and 80,295.20 is: 120,478.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,837.60 : 260,833.20 = 80,295.20 : x
  2. Step 2: Convert to fraction form
    173,837.60/260,833.20 = 80,295.20/x
  3. Step 3: Cross multiply
    173,837.60x = 260,833.20 × 80,295.20
  4. Step 4: Simplify right side
    173,837.60x = 20,943,653,960.64
  5. Step 5: Solve for x
    x = 20,943,653,960.64/173,837.60
  6. Step 6: Final answer
    x = 120,478.27

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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.