Home / 123,724.40-185,586.60-92,231.60

Finding the Fourth Proportional to 123,724.40, 185,586.60 and 92,231.60

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Solution

The fourth proportional to 123,724.40, 185,586.60 and 92,231.60 is: 138,347.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,724.40 : 185,586.60 = 92,231.60 : x
  2. Step 2: Convert to fraction form
    123,724.40/185,586.60 = 92,231.60/x
  3. Step 3: Cross multiply
    123,724.40x = 185,586.60 × 92,231.60
  4. Step 4: Simplify right side
    123,724.40x = 17,116,949,056.56
  5. Step 5: Solve for x
    x = 17,116,949,056.56/123,724.40
  6. Step 6: Final answer
    x = 138,347.40

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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.