Home / 204,560.64-282,285.81-113,920.43

Finding the Fourth Proportional to 204,560.64, 282,285.81 and 113,920.43

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Solution

The fourth proportional to 204,560.64, 282,285.81 and 113,920.43 is: 157,205.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,560.64 : 282,285.81 = 113,920.43 : x
  2. Step 2: Convert to fraction form
    204,560.64/282,285.81 = 113,920.43/x
  3. Step 3: Cross multiply
    204,560.64x = 282,285.81 × 113,920.43
  4. Step 4: Simplify right side
    204,560.64x = 32,158,119,446.67
  5. Step 5: Solve for x
    x = 32,158,119,446.67/204,560.64
  6. Step 6: Final answer
    x = 157,205.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.