Home / 143,359.04-197,859.90-82,966.44

Finding the Fourth Proportional to 143,359.04, 197,859.90 and 82,966.44

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Solution

The fourth proportional to 143,359.04, 197,859.90 and 82,966.44 is: 114,507.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,359.04 : 197,859.90 = 82,966.44 : x
  2. Step 2: Convert to fraction form
    143,359.04/197,859.90 = 82,966.44/x
  3. Step 3: Cross multiply
    143,359.04x = 197,859.90 × 82,966.44
  4. Step 4: Simplify right side
    143,359.04x = 16,415,731,521.76
  5. Step 5: Solve for x
    x = 16,415,731,521.76/143,359.04
  6. Step 6: Final answer
    x = 114,507.83

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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.