Home / 203,862.02-281,325.15-113,212.89

Finding the Fourth Proportional to 203,862.02, 281,325.15 and 113,212.89

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Solution

The fourth proportional to 203,862.02, 281,325.15 and 113,212.89 is: 156,231.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,862.02 : 281,325.15 = 113,212.89 : x
  2. Step 2: Convert to fraction form
    203,862.02/281,325.15 = 113,212.89/x
  3. Step 3: Cross multiply
    203,862.02x = 281,325.15 × 113,212.89
  4. Step 4: Simplify right side
    203,862.02x = 31,849,633,261.18
  5. Step 5: Solve for x
    x = 31,849,633,261.18/203,862.02
  6. Step 6: Final answer
    x = 156,231.33

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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.