Home / 204,128.47-281,681.33-113,478.91

Finding the Fourth Proportional to 204,128.47, 281,681.33 and 113,478.91

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Solution

The fourth proportional to 204,128.47, 281,681.33 and 113,478.91 is: 156,592.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,128.47 : 281,681.33 = 113,478.91 : x
  2. Step 2: Convert to fraction form
    204,128.47/281,681.33 = 113,478.91/x
  3. Step 3: Cross multiply
    204,128.47x = 281,681.33 × 113,478.91
  4. Step 4: Simplify right side
    204,128.47x = 31,964,890,611.44
  5. Step 5: Solve for x
    x = 31,964,890,611.44/204,128.47
  6. Step 6: Final answer
    x = 156,592.03

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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.