Home / 129,376.28-194,086.56-59,261.60

Finding the Fourth Proportional to 129,376.28, 194,086.56 and 59,261.60

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Solution

The fourth proportional to 129,376.28, 194,086.56 and 59,261.60 is: 88,902.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,376.28 : 194,086.56 = 59,261.60 : x
  2. Step 2: Convert to fraction form
    129,376.28/194,086.56 = 59,261.60/x
  3. Step 3: Cross multiply
    129,376.28x = 194,086.56 × 59,261.60
  4. Step 4: Simplify right side
    129,376.28x = 11,501,880,084.10
  5. Step 5: Solve for x
    x = 11,501,880,084.10/129,376.28
  6. Step 6: Final answer
    x = 88,902.54

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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.