Home / 204,640.13-282,411.89-113,996.07

Finding the Fourth Proportional to 204,640.13, 282,411.89 and 113,996.07

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Solution

The fourth proportional to 204,640.13, 282,411.89 and 113,996.07 is: 157,319.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,640.13 : 282,411.89 = 113,996.07 : x
  2. Step 2: Convert to fraction form
    204,640.13/282,411.89 = 113,996.07/x
  3. Step 3: Cross multiply
    204,640.13x = 282,411.89 × 113,996.07
  4. Step 4: Simplify right side
    204,640.13x = 32,193,845,968.30
  5. Step 5: Solve for x
    x = 32,193,845,968.30/204,640.13
  6. Step 6: Final answer
    x = 157,319.32

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1.5x scale

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.