Home / 143,725.04-215,778.30-122,799.54

Finding the Fourth Proportional to 143,725.04, 215,778.30 and 122,799.54

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Solution

The fourth proportional to 143,725.04, 215,778.30 and 122,799.54 is: 184,362.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,725.04 : 215,778.30 = 122,799.54 : x
  2. Step 2: Convert to fraction form
    143,725.04/215,778.30 = 122,799.54/x
  3. Step 3: Cross multiply
    143,725.04x = 215,778.30 × 122,799.54
  4. Step 4: Simplify right side
    143,725.04x = 26,497,475,981.98
  5. Step 5: Solve for x
    x = 26,497,475,981.98/143,725.04
  6. Step 6: Final answer
    x = 184,362.29

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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.