Home / 189,462.45-261,460.35-104,579.58

Finding the Fourth Proportional to 189,462.45, 261,460.35 and 104,579.58

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Solution

The fourth proportional to 189,462.45, 261,460.35 and 104,579.58 is: 144,321.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,462.45 : 261,460.35 = 104,579.58 : x
  2. Step 2: Convert to fraction form
    189,462.45/261,460.35 = 104,579.58/x
  3. Step 3: Cross multiply
    189,462.45x = 261,460.35 × 104,579.58
  4. Step 4: Simplify right side
    189,462.45x = 27,343,413,589.65
  5. Step 5: Solve for x
    x = 27,343,413,589.65/189,462.45
  6. Step 6: Final answer
    x = 144,321.02

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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.