Home / 133,693.20-200,539.80-98,787.60

Finding the Fourth Proportional to 133,693.20, 200,539.80 and 98,787.60

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Solution

The fourth proportional to 133,693.20, 200,539.80 and 98,787.60 is: 148,181.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,693.20 : 200,539.80 = 98,787.60 : x
  2. Step 2: Convert to fraction form
    133,693.20/200,539.80 = 98,787.60/x
  3. Step 3: Cross multiply
    133,693.20x = 200,539.80 × 98,787.60
  4. Step 4: Simplify right side
    133,693.20x = 19,810,845,546.48
  5. Step 5: Solve for x
    x = 19,810,845,546.48/133,693.20
  6. Step 6: Final answer
    x = 148,181.40

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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.