Home / 143,719.60-215,579.40-132,893.95

Finding the Fourth Proportional to 143,719.60, 215,579.40 and 132,893.95

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Solution

The fourth proportional to 143,719.60, 215,579.40 and 132,893.95 is: 199,340.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,719.60 : 215,579.40 = 132,893.95 : x
  2. Step 2: Convert to fraction form
    143,719.60/215,579.40 = 132,893.95/x
  3. Step 3: Cross multiply
    143,719.60x = 215,579.40 × 132,893.95
  4. Step 4: Simplify right side
    143,719.60x = 28,649,198,004.63
  5. Step 5: Solve for x
    x = 28,649,198,004.63/143,719.60
  6. Step 6: Final answer
    x = 199,340.93

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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.