Home / 203,033.43-280,214.78-118,177.83

Finding the Fourth Proportional to 203,033.43, 280,214.78 and 118,177.83

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Solution

The fourth proportional to 203,033.43, 280,214.78 and 118,177.83 is: 163,102.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,033.43 : 280,214.78 = 118,177.83 : x
  2. Step 2: Convert to fraction form
    203,033.43/280,214.78 = 118,177.83/x
  3. Step 3: Cross multiply
    203,033.43x = 280,214.78 × 118,177.83
  4. Step 4: Simplify right side
    203,033.43x = 33,115,174,043.44
  5. Step 5: Solve for x
    x = 33,115,174,043.44/203,033.43
  6. Step 6: Final answer
    x = 163,102.08

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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.