Home / 203,845.14-281,439.52-132,428.70

Finding the Fourth Proportional to 203,845.14, 281,439.52 and 132,428.70

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Solution

The fourth proportional to 203,845.14, 281,439.52 and 132,428.70 is: 182,838.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,845.14 : 281,439.52 = 132,428.70 : x
  2. Step 2: Convert to fraction form
    203,845.14/281,439.52 = 132,428.70/x
  3. Step 3: Cross multiply
    203,845.14x = 281,439.52 × 132,428.70
  4. Step 4: Simplify right side
    203,845.14x = 37,270,669,762.22
  5. Step 5: Solve for x
    x = 37,270,669,762.22/203,845.14
  6. Step 6: Final answer
    x = 182,838.16

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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.