Home / 329,823.04-455,163.96-202,426.24

Finding the Fourth Proportional to 329,823.04, 455,163.96 and 202,426.24

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Solution

The fourth proportional to 329,823.04, 455,163.96 and 202,426.24 is: 279,353.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,823.04 : 455,163.96 = 202,426.24 : x
  2. Step 2: Convert to fraction form
    329,823.04/455,163.96 = 202,426.24/x
  3. Step 3: Cross multiply
    329,823.04x = 455,163.96 × 202,426.24
  4. Step 4: Simplify right side
    329,823.04x = 92,137,129,006.31
  5. Step 5: Solve for x
    x = 92,137,129,006.31/329,823.04
  6. Step 6: Final answer
    x = 279,353.22

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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.