Home / 203,702.72-281,122.89-113,058.69

Finding the Fourth Proportional to 203,702.72, 281,122.89 and 113,058.69

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Solution

The fourth proportional to 203,702.72, 281,122.89 and 113,058.69 is: 156,028.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,702.72 : 281,122.89 = 113,058.69 : x
  2. Step 2: Convert to fraction form
    203,702.72/281,122.89 = 113,058.69/x
  3. Step 3: Cross multiply
    203,702.72x = 281,122.89 × 113,058.69
  4. Step 4: Simplify right side
    203,702.72x = 31,783,386,927.15
  5. Step 5: Solve for x
    x = 31,783,386,927.15/203,702.72
  6. Step 6: Final answer
    x = 156,028.29

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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.