Home / 144,076.21-215,966.52-55,305.81

Finding the Fourth Proportional to 144,076.21, 215,966.52 and 55,305.81

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Solution

The fourth proportional to 144,076.21, 215,966.52 and 55,305.81 is: 82,901.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,076.21 : 215,966.52 = 55,305.81 : x
  2. Step 2: Convert to fraction form
    144,076.21/215,966.52 = 55,305.81/x
  3. Step 3: Cross multiply
    144,076.21x = 215,966.52 × 55,305.81
  4. Step 4: Simplify right side
    144,076.21x = 11,944,203,044.95
  5. Step 5: Solve for x
    x = 11,944,203,044.95/144,076.21
  6. Step 6: Final answer
    x = 82,901.98

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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.