Home / 358,429.23-537,721.61-109,104.75

Finding the Fourth Proportional to 358,429.23, 537,721.61 and 109,104.75

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Solution

The fourth proportional to 358,429.23, 537,721.61 and 109,104.75 is: 163,680.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,429.23 : 537,721.61 = 109,104.75 : x
  2. Step 2: Convert to fraction form
    358,429.23/537,721.61 = 109,104.75/x
  3. Step 3: Cross multiply
    358,429.23x = 537,721.61 × 109,104.75
  4. Step 4: Simplify right side
    358,429.23x = 58,667,981,283.12
  5. Step 5: Solve for x
    x = 58,667,981,283.12/358,429.23
  6. Step 6: Final answer
    x = 163,680.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.