Home / 207,404.73-286,200.16-115,517.00

Finding the Fourth Proportional to 207,404.73, 286,200.16 and 115,517.00

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Solution

The fourth proportional to 207,404.73, 286,200.16 and 115,517.00 is: 159,403.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,404.73 : 286,200.16 = 115,517.00 : x
  2. Step 2: Convert to fraction form
    207,404.73/286,200.16 = 115,517.00/x
  3. Step 3: Cross multiply
    207,404.73x = 286,200.16 × 115,517.00
  4. Step 4: Simplify right side
    207,404.73x = 33,060,984,309.43
  5. Step 5: Solve for x
    x = 33,060,984,309.43/207,404.73
  6. Step 6: Final answer
    x = 159,403.23

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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.