Home / 189,452.79-261,443.43-104,569.83

Finding the Fourth Proportional to 189,452.79, 261,443.43 and 104,569.83

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Solution

The fourth proportional to 189,452.79, 261,443.43 and 104,569.83 is: 144,305.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    189,452.79 : 261,443.43 = 104,569.83 : x
  2. Step 2: Convert to fraction form
    189,452.79/261,443.43 = 104,569.83/x
  3. Step 3: Cross multiply
    189,452.79x = 261,443.43 × 104,569.83
  4. Step 4: Simplify right side
    189,452.79x = 27,339,095,029.72
  5. Step 5: Solve for x
    x = 27,339,095,029.72/189,452.79
  6. Step 6: Final answer
    x = 144,305.58

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1.5x scale

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.