Home / 205,167.20-307,050.60-171,924.80

Finding the Fourth Proportional to 205,167.20, 307,050.60 and 171,924.80

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Solution

The fourth proportional to 205,167.20, 307,050.60 and 171,924.80 is: 257,300.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,167.20 : 307,050.60 = 171,924.80 : x
  2. Step 2: Convert to fraction form
    205,167.20/307,050.60 = 171,924.80/x
  3. Step 3: Cross multiply
    205,167.20x = 307,050.60 × 171,924.80
  4. Step 4: Simplify right side
    205,167.20x = 52,789,612,994.88
  5. Step 5: Solve for x
    x = 52,789,612,994.88/205,167.20
  6. Step 6: Final answer
    x = 257,300.45

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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.