Home / 204,066.40-306,099.60-124,232.80

Finding the Fourth Proportional to 204,066.40, 306,099.60 and 124,232.80

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Solution

The fourth proportional to 204,066.40, 306,099.60 and 124,232.80 is: 186,349.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,066.40 : 306,099.60 = 124,232.80 : x
  2. Step 2: Convert to fraction form
    204,066.40/306,099.60 = 124,232.80/x
  3. Step 3: Cross multiply
    204,066.40x = 306,099.60 × 124,232.80
  4. Step 4: Simplify right side
    204,066.40x = 38,027,610,386.88
  5. Step 5: Solve for x
    x = 38,027,610,386.88/204,066.40
  6. Step 6: Final answer
    x = 186,349.20

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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.