Home / 281,897.32-422,016.54-188,170.60

Finding the Fourth Proportional to 281,897.32, 422,016.54 and 188,170.60

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Solution

The fourth proportional to 281,897.32, 422,016.54 and 188,170.60 is: 281,702.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    281,897.32 : 422,016.54 = 188,170.60 : x
  2. Step 2: Convert to fraction form
    281,897.32/422,016.54 = 188,170.60/x
  3. Step 3: Cross multiply
    281,897.32x = 422,016.54 × 188,170.60
  4. Step 4: Simplify right side
    281,897.32x = 79,411,105,541.72
  5. Step 5: Solve for x
    x = 79,411,105,541.72/281,897.32
  6. Step 6: Final answer
    x = 281,702.24

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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.