Home / 207,813.83-286,777.33-117,169.00

Finding the Fourth Proportional to 207,813.83, 286,777.33 and 117,169.00

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Solution

The fourth proportional to 207,813.83, 286,777.33 and 117,169.00 is: 161,689.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,813.83 : 286,777.33 = 117,169.00 : x
  2. Step 2: Convert to fraction form
    207,813.83/286,777.33 = 117,169.00/x
  3. Step 3: Cross multiply
    207,813.83x = 286,777.33 × 117,169.00
  4. Step 4: Simplify right side
    207,813.83x = 33,601,411,968.90
  5. Step 5: Solve for x
    x = 33,601,411,968.90/207,813.83
  6. Step 6: Final answer
    x = 161,689.97

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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.