Home / 311,227.20-429,476.04-183,914.64

Finding the Fourth Proportional to 311,227.20, 429,476.04 and 183,914.64

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Solution

The fourth proportional to 311,227.20, 429,476.04 and 183,914.64 is: 253,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,227.20 : 429,476.04 = 183,914.64 : x
  2. Step 2: Convert to fraction form
    311,227.20/429,476.04 = 183,914.64/x
  3. Step 3: Cross multiply
    311,227.20x = 429,476.04 × 183,914.64
  4. Step 4: Simplify right side
    311,227.20x = 78,986,931,285.23
  5. Step 5: Solve for x
    x = 78,986,931,285.23/311,227.20
  6. Step 6: Final answer
    x = 253,791.86

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1.5x scale

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.