Home / 215,904.80-323,703.60-82,733.60

Finding the Fourth Proportional to 215,904.80, 323,703.60 and 82,733.60

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Solution

The fourth proportional to 215,904.80, 323,703.60 and 82,733.60 is: 124,041.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,904.80 : 323,703.60 = 82,733.60 : x
  2. Step 2: Convert to fraction form
    215,904.80/323,703.60 = 82,733.60/x
  3. Step 3: Cross multiply
    215,904.80x = 323,703.60 × 82,733.60
  4. Step 4: Simplify right side
    215,904.80x = 26,781,164,160.96
  5. Step 5: Solve for x
    x = 26,781,164,160.96/215,904.80
  6. Step 6: Final answer
    x = 124,041.54

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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.