Home / 169,345.20-253,920.60-50,998.80

Finding the Fourth Proportional to 169,345.20, 253,920.60 and 50,998.80

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Solution

The fourth proportional to 169,345.20, 253,920.60 and 50,998.80 is: 76,468.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    169,345.20 : 253,920.60 = 50,998.80 : x
  2. Step 2: Convert to fraction form
    169,345.20/253,920.60 = 50,998.80/x
  3. Step 3: Cross multiply
    169,345.20x = 253,920.60 × 50,998.80
  4. Step 4: Simplify right side
    169,345.20x = 12,949,645,895.28
  5. Step 5: Solve for x
    x = 12,949,645,895.28/169,345.20
  6. Step 6: Final answer
    x = 76,468.93

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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.