Home / 205,150.60-307,725.90-173,657.80

Finding the Fourth Proportional to 205,150.60, 307,725.90 and 173,657.80

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Solution

The fourth proportional to 205,150.60, 307,725.90 and 173,657.80 is: 260,486.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,150.60 : 307,725.90 = 173,657.80 : x
  2. Step 2: Convert to fraction form
    205,150.60/307,725.90 = 173,657.80/x
  3. Step 3: Cross multiply
    205,150.60x = 307,725.90 × 173,657.80
  4. Step 4: Simplify right side
    205,150.60x = 53,439,002,797.02
  5. Step 5: Solve for x
    x = 53,439,002,797.02/205,150.60
  6. Step 6: Final answer
    x = 260,486.70

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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.