Home / 294,529.57-441,785.52-81,310.51

Finding the Fourth Proportional to 294,529.57, 441,785.52 and 81,310.51

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Solution

The fourth proportional to 294,529.57, 441,785.52 and 81,310.51 is: 121,963.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,529.57 : 441,785.52 = 81,310.51 : x
  2. Step 2: Convert to fraction form
    294,529.57/441,785.52 = 81,310.51/x
  3. Step 3: Cross multiply
    294,529.57x = 441,785.52 × 81,310.51
  4. Step 4: Simplify right side
    294,529.57x = 35,921,805,941.82
  5. Step 5: Solve for x
    x = 35,921,805,941.82/294,529.57
  6. Step 6: Final answer
    x = 121,963.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.