Home / 134,285.64-185,309.94-73,855.88

Finding the Fourth Proportional to 134,285.64, 185,309.94 and 73,855.88

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Solution

The fourth proportional to 134,285.64, 185,309.94 and 73,855.88 is: 101,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    134,285.64 : 185,309.94 = 73,855.88 : x
  2. Step 2: Convert to fraction form
    134,285.64/185,309.94 = 73,855.88/x
  3. Step 3: Cross multiply
    134,285.64x = 185,309.94 × 73,855.88
  4. Step 4: Simplify right side
    134,285.64x = 13,686,228,691.45
  5. Step 5: Solve for x
    x = 13,686,228,691.45/134,285.64
  6. Step 6: Final answer
    x = 101,918.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.