Home / 147,790.17-203,960.84-82,383.18

Finding the Fourth Proportional to 147,790.17, 203,960.84 and 82,383.18

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Solution

The fourth proportional to 147,790.17, 203,960.84 and 82,383.18 is: 113,694.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,790.17 : 203,960.84 = 82,383.18 : x
  2. Step 2: Convert to fraction form
    147,790.17/203,960.84 = 82,383.18/x
  3. Step 3: Cross multiply
    147,790.17x = 203,960.84 × 82,383.18
  4. Step 4: Simplify right side
    147,790.17x = 16,802,941,417.90
  5. Step 5: Solve for x
    x = 16,802,941,417.90/147,790.17
  6. Step 6: Final answer
    x = 113,694.58

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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.