Home / 205,909.40-308,864.10-184,136.60

Finding the Fourth Proportional to 205,909.40, 308,864.10 and 184,136.60

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Solution

The fourth proportional to 205,909.40, 308,864.10 and 184,136.60 is: 276,204.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    205,909.40 : 308,864.10 = 184,136.60 : x
  2. Step 2: Convert to fraction form
    205,909.40/308,864.10 = 184,136.60/x
  3. Step 3: Cross multiply
    205,909.40x = 308,864.10 × 184,136.60
  4. Step 4: Simplify right side
    205,909.40x = 56,873,185,236.06
  5. Step 5: Solve for x
    x = 56,873,185,236.06/205,909.40
  6. Step 6: Final answer
    x = 276,204.90

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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.