Home / 104,485.15-156,752.07-83,218.33

Finding the Fourth Proportional to 104,485.15, 156,752.07 and 83,218.33

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Solution

The fourth proportional to 104,485.15, 156,752.07 and 83,218.33 is: 124,846.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,485.15 : 156,752.07 = 83,218.33 : x
  2. Step 2: Convert to fraction form
    104,485.15/156,752.07 = 83,218.33/x
  3. Step 3: Cross multiply
    104,485.15x = 156,752.07 × 83,218.33
  4. Step 4: Simplify right side
    104,485.15x = 13,044,645,489.44
  5. Step 5: Solve for x
    x = 13,044,645,489.44/104,485.15
  6. Step 6: Final answer
    x = 124,846.88

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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.