Home / 143,044.84-197,356.26-82,607.50

Finding the Fourth Proportional to 143,044.84, 197,356.26 and 82,607.50

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Solution

The fourth proportional to 143,044.84, 197,356.26 and 82,607.50 is: 113,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,044.84 : 197,356.26 = 82,607.50 : x
  2. Step 2: Convert to fraction form
    143,044.84/197,356.26 = 82,607.50/x
  3. Step 3: Cross multiply
    143,044.84x = 197,356.26 × 82,607.50
  4. Step 4: Simplify right side
    143,044.84x = 16,303,107,247.95
  5. Step 5: Solve for x
    x = 16,303,107,247.95/143,044.84
  6. Step 6: Final answer
    x = 113,972.01

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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.