Home / 207,791.19-286,715.43-122,877.27

Finding the Fourth Proportional to 207,791.19, 286,715.43 and 122,877.27

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Solution

The fourth proportional to 207,791.19, 286,715.43 and 122,877.27 is: 169,549.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    207,791.19 : 286,715.43 = 122,877.27 : x
  2. Step 2: Convert to fraction form
    207,791.19/286,715.43 = 122,877.27/x
  3. Step 3: Cross multiply
    207,791.19x = 286,715.43 × 122,877.27
  4. Step 4: Simplify right side
    207,791.19x = 35,230,809,305.28
  5. Step 5: Solve for x
    x = 35,230,809,305.28/207,791.19
  6. Step 6: Final answer
    x = 169,549.10

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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.