Home / 319,942.40-441,516.80-174,747.44

Finding the Fourth Proportional to 319,942.40, 441,516.80 and 174,747.44

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Solution

The fourth proportional to 319,942.40, 441,516.80 and 174,747.44 is: 241,149.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    319,942.40 : 441,516.80 = 174,747.44 : x
  2. Step 2: Convert to fraction form
    319,942.40/441,516.80 = 174,747.44/x
  3. Step 3: Cross multiply
    319,942.40x = 441,516.80 × 174,747.44
  4. Step 4: Simplify right side
    319,942.40x = 77,153,930,516.99
  5. Step 5: Solve for x
    x = 77,153,930,516.99/319,942.40
  6. Step 6: Final answer
    x = 241,149.44

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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.