Home / 202,935.58-280,051.43-112,295.36

Finding the Fourth Proportional to 202,935.58, 280,051.43 and 112,295.36

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Solution

The fourth proportional to 202,935.58, 280,051.43 and 112,295.36 is: 154,967.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    202,935.58 : 280,051.43 = 112,295.36 : x
  2. Step 2: Convert to fraction form
    202,935.58/280,051.43 = 112,295.36/x
  3. Step 3: Cross multiply
    202,935.58x = 280,051.43 × 112,295.36
  4. Step 4: Simplify right side
    202,935.58x = 31,448,476,289.02
  5. Step 5: Solve for x
    x = 31,448,476,289.02/202,935.58
  6. Step 6: Final answer
    x = 154,967.78

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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.