Home / 123,344.40-185,016.60-92,240.40

Finding the Fourth Proportional to 123,344.40, 185,016.60 and 92,240.40

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Solution

The fourth proportional to 123,344.40, 185,016.60 and 92,240.40 is: 138,360.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,344.40 : 185,016.60 = 92,240.40 : x
  2. Step 2: Convert to fraction form
    123,344.40/185,016.60 = 92,240.40/x
  3. Step 3: Cross multiply
    123,344.40x = 185,016.60 × 92,240.40
  4. Step 4: Simplify right side
    123,344.40x = 17,066,005,190.64
  5. Step 5: Solve for x
    x = 17,066,005,190.64/123,344.40
  6. Step 6: Final answer
    x = 138,360.60

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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.