Home / 104,236.12-143,497.92-99,475.48

Finding the Fourth Proportional to 104,236.12, 143,497.92 and 99,475.48

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Solution

The fourth proportional to 104,236.12, 143,497.92 and 99,475.48 is: 136,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,236.12 : 143,497.92 = 99,475.48 : x
  2. Step 2: Convert to fraction form
    104,236.12/143,497.92 = 99,475.48/x
  3. Step 3: Cross multiply
    104,236.12x = 143,497.92 × 99,475.48
  4. Step 4: Simplify right side
    104,236.12x = 14,274,524,471.00
  5. Step 5: Solve for x
    x = 14,274,524,471.00/104,236.12
  6. Step 6: Final answer
    x = 136,944.13

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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.