Home / 355,584.92-533,336.31-89,325.18

Finding the Fourth Proportional to 355,584.92, 533,336.31 and 89,325.18

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Solution

The fourth proportional to 355,584.92, 533,336.31 and 89,325.18 is: 133,977.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,584.92 : 533,336.31 = 89,325.18 : x
  2. Step 2: Convert to fraction form
    355,584.92/533,336.31 = 89,325.18/x
  3. Step 3: Cross multiply
    355,584.92x = 533,336.31 × 89,325.18
  4. Step 4: Simplify right side
    355,584.92x = 47,640,361,891.29
  5. Step 5: Solve for x
    x = 47,640,361,891.29/355,584.92
  6. Step 6: Final answer
    x = 133,977.45

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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.