Home / 327,385.02-491,075.37-84,225.72

Finding the Fourth Proportional to 327,385.02, 491,075.37 and 84,225.72

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Solution

The fourth proportional to 327,385.02, 491,075.37 and 84,225.72 is: 126,338.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,385.02 : 491,075.37 = 84,225.72 : x
  2. Step 2: Convert to fraction form
    327,385.02/491,075.37 = 84,225.72/x
  3. Step 3: Cross multiply
    327,385.02x = 491,075.37 × 84,225.72
  4. Step 4: Simplify right side
    327,385.02x = 41,361,176,612.52
  5. Step 5: Solve for x
    x = 41,361,176,612.52/327,385.02
  6. Step 6: Final answer
    x = 126,338.02

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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.