Home / 203,016.43-280,098.27-118,117.09

Finding the Fourth Proportional to 203,016.43, 280,098.27 and 118,117.09

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Solution

The fourth proportional to 203,016.43, 280,098.27 and 118,117.09 is: 162,964.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,016.43 : 280,098.27 = 118,117.09 : x
  2. Step 2: Convert to fraction form
    203,016.43/280,098.27 = 118,117.09/x
  3. Step 3: Cross multiply
    203,016.43x = 280,098.27 × 118,117.09
  4. Step 4: Simplify right side
    203,016.43x = 33,084,392,566.43
  5. Step 5: Solve for x
    x = 33,084,392,566.43/203,016.43
  6. Step 6: Final answer
    x = 162,964.11

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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.