Home / 204,325.89-281,962.64-112,436.60

Finding the Fourth Proportional to 204,325.89, 281,962.64 and 112,436.60

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Solution

The fourth proportional to 204,325.89, 281,962.64 and 112,436.60 is: 155,158.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,325.89 : 281,962.64 = 112,436.60 : x
  2. Step 2: Convert to fraction form
    204,325.89/281,962.64 = 112,436.60/x
  3. Step 3: Cross multiply
    204,325.89x = 281,962.64 × 112,436.60
  4. Step 4: Simplify right side
    204,325.89x = 31,702,918,596.63
  5. Step 5: Solve for x
    x = 31,702,918,596.63/204,325.89
  6. Step 6: Final answer
    x = 155,158.60

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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.