Home / 189,734.74-261,811.65-104,846.74

Finding the Fourth Proportional to 189,734.74, 261,811.65 and 104,846.74

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Solution

The fourth proportional to 189,734.74, 261,811.65 and 104,846.74 is: 144,676.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,734.74 : 261,811.65 = 104,846.74 : x
  2. Step 2: Convert to fraction form
    189,734.74/261,811.65 = 104,846.74/x
  3. Step 3: Cross multiply
    189,734.74x = 261,811.65 × 104,846.74
  4. Step 4: Simplify right side
    189,734.74x = 27,450,097,996.52
  5. Step 5: Solve for x
    x = 27,450,097,996.52/189,734.74
  6. Step 6: Final answer
    x = 144,676.18

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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.