Home / 321,147.07-443,126.62-183,263.04

Finding the Fourth Proportional to 321,147.07, 443,126.62 and 183,263.04

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Solution

The fourth proportional to 321,147.07, 443,126.62 and 183,263.04 is: 252,870.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,147.07 : 443,126.62 = 183,263.04 : x
  2. Step 2: Convert to fraction form
    321,147.07/443,126.62 = 183,263.04/x
  3. Step 3: Cross multiply
    321,147.07x = 443,126.62 × 183,263.04
  4. Step 4: Simplify right side
    321,147.07x = 81,208,730,836.47
  5. Step 5: Solve for x
    x = 81,208,730,836.47/321,147.07
  6. Step 6: Final answer
    x = 252,870.85

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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.