Home / 103,714.80-155,183.40-94,383.60

Finding the Fourth Proportional to 103,714.80, 155,183.40 and 94,383.60

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Solution

The fourth proportional to 103,714.80, 155,183.40 and 94,383.60 is: 141,221.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,714.80 : 155,183.40 = 94,383.60 : x
  2. Step 2: Convert to fraction form
    103,714.80/155,183.40 = 94,383.60/x
  3. Step 3: Cross multiply
    103,714.80x = 155,183.40 × 94,383.60
  4. Step 4: Simplify right side
    103,714.80x = 14,646,767,952.24
  5. Step 5: Solve for x
    x = 14,646,767,952.24/103,714.80
  6. Step 6: Final answer
    x = 141,221.58

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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.