Home / 189,452.48-261,443.10-104,569.58

Finding the Fourth Proportional to 189,452.48, 261,443.10 and 104,569.58

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Solution

The fourth proportional to 189,452.48, 261,443.10 and 104,569.58 is: 144,305.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,452.48 : 261,443.10 = 104,569.58 : x
  2. Step 2: Convert to fraction form
    189,452.48/261,443.10 = 104,569.58/x
  3. Step 3: Cross multiply
    189,452.48x = 261,443.10 × 104,569.58
  4. Step 4: Simplify right side
    189,452.48x = 27,338,995,160.90
  5. Step 5: Solve for x
    x = 27,338,995,160.90/189,452.48
  6. Step 6: Final answer
    x = 144,305.29

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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.