Home / 204,032.40-306,024.24-54,283.68

Finding the Fourth Proportional to 204,032.40, 306,024.24 and 54,283.68

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Solution

The fourth proportional to 204,032.40, 306,024.24 and 54,283.68 is: 81,419.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,032.40 : 306,024.24 = 54,283.68 : x
  2. Step 2: Convert to fraction form
    204,032.40/306,024.24 = 54,283.68/x
  3. Step 3: Cross multiply
    204,032.40x = 306,024.24 × 54,283.68
  4. Step 4: Simplify right side
    204,032.40x = 16,612,121,916.40
  5. Step 5: Solve for x
    x = 16,612,121,916.40/204,032.40
  6. Step 6: Final answer
    x = 81,419.04

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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.