Home / 189,734.40-261,828.72-104,846.40

Finding the Fourth Proportional to 189,734.40, 261,828.72 and 104,846.40

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Solution

The fourth proportional to 189,734.40, 261,828.72 and 104,846.40 is: 144,685.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.40 : 261,828.72 = 104,846.40 : x
  2. Step 2: Convert to fraction form
    189,734.40/261,828.72 = 104,846.40/x
  3. Step 3: Cross multiply
    189,734.40x = 261,828.72 × 104,846.40
  4. Step 4: Simplify right side
    189,734.40x = 27,451,798,708.61
  5. Step 5: Solve for x
    x = 27,451,798,708.61/189,734.40
  6. Step 6: Final answer
    x = 144,685.41

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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.