Home / 351,080.02-484,507.83-215,121.52

Finding the Fourth Proportional to 351,080.02, 484,507.83 and 215,121.52

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Solution

The fourth proportional to 351,080.02, 484,507.83 and 215,121.52 is: 296,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,080.02 : 484,507.83 = 215,121.52 : x
  2. Step 2: Convert to fraction form
    351,080.02/484,507.83 = 215,121.52/x
  3. Step 3: Cross multiply
    351,080.02x = 484,507.83 × 215,121.52
  4. Step 4: Simplify right side
    351,080.02x = 104,228,061,043.78
  5. Step 5: Solve for x
    x = 104,228,061,043.78/351,080.02
  6. Step 6: Final answer
    x = 296,878.36

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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.