Home / 355,331.63-533,033.28-115,435.55

Finding the Fourth Proportional to 355,331.63, 533,033.28 and 115,435.55

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Solution

The fourth proportional to 355,331.63, 533,033.28 and 115,435.55 is: 173,164.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    355,331.63 : 533,033.28 = 115,435.55 : x
  2. Step 2: Convert to fraction form
    355,331.63/533,033.28 = 115,435.55/x
  3. Step 3: Cross multiply
    355,331.63x = 533,033.28 × 115,435.55
  4. Step 4: Simplify right side
    355,331.63x = 61,530,987,179.94
  5. Step 5: Solve for x
    x = 61,530,987,179.94/355,331.63
  6. Step 6: Final answer
    x = 173,164.96

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1.5x scale

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.