Home / 143,263.46-197,692.00-82,838.02

Finding the Fourth Proportional to 143,263.46, 197,692.00 and 82,838.02

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Solution

The fourth proportional to 143,263.46, 197,692.00 and 82,838.02 is: 114,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,263.46 : 197,692.00 = 82,838.02 : x
  2. Step 2: Convert to fraction form
    143,263.46/197,692.00 = 82,838.02/x
  3. Step 3: Cross multiply
    143,263.46x = 197,692.00 × 82,838.02
  4. Step 4: Simplify right side
    143,263.46x = 16,376,413,545.63
  5. Step 5: Solve for x
    x = 16,376,413,545.63/143,263.46
  6. Step 6: Final answer
    x = 114,309.77

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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.