Home / 189,456.48-261,452.10-104,573.58

Finding the Fourth Proportional to 189,456.48, 261,452.10 and 104,573.58

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Solution

The fourth proportional to 189,456.48, 261,452.10 and 104,573.58 is: 144,312.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,456.48 : 261,452.10 = 104,573.58 : x
  2. Step 2: Convert to fraction form
    189,456.48/261,452.10 = 104,573.58/x
  3. Step 3: Cross multiply
    189,456.48x = 261,452.10 × 104,573.58
  4. Step 4: Simplify right side
    189,456.48x = 27,340,982,095.52
  5. Step 5: Solve for x
    x = 27,340,982,095.52/189,456.48
  6. Step 6: Final answer
    x = 144,312.73

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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.