Home / 204,969.60-282,899.52-120,159.36

Finding the Fourth Proportional to 204,969.60, 282,899.52 and 120,159.36

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Solution

The fourth proportional to 204,969.60, 282,899.52 and 120,159.36 is: 165,844.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,969.60 : 282,899.52 = 120,159.36 : x
  2. Step 2: Convert to fraction form
    204,969.60/282,899.52 = 120,159.36/x
  3. Step 3: Cross multiply
    204,969.60x = 282,899.52 × 120,159.36
  4. Step 4: Simplify right side
    204,969.60x = 33,993,025,267.51
  5. Step 5: Solve for x
    x = 33,993,025,267.51/204,969.60
  6. Step 6: Final answer
    x = 165,844.23

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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.